Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.415,
    "vintage_probability": 0.55,
    "authenticity_confidence": 0.31,
    "image_quality_score": 0.665,
    "seller_misidentification_probability": 0.415,
    "confidence": 0.645,
    "recommended_max_bid": 25,
    "estimated_resale_low": 32.5,
    "estimated_resale_high": 82.5,
    "possible_models": [
        "Pocket Purse (9755)",
        "Convertible Clutch (9635)"
    ],
    "positive_evidence": [
        "photo 1: leather flap handbag with a turn-lock closure and detachable shoulder strap, features that can occur on vintage Coach Convertible Clutch-style bags",
        "photo 2: strap attaches with metal swivel clips and ring hardware",
        "photo 4: interior appears leather or suede-like rather than an obviously printed synthetic lining",
        "photo 1: small black flap bag with brass-tone turnlock with slim rounded tab and elegant plate geometry",
        "photo 1, photo 3: smooth black glove-tanned leather with baseball-glove look, tone-on-tone stitching",
        "photo 3: exterior back slip pocket under flap, classic Coach Pocket Purse \/ Convertible Clutch layout",
        "photo 2: detachable strap on solid brass-tone dogleash clips",
        "photo 5, photo 6: unlined suede-back interior with interior zip pocket, correct for vintage classics"
    ],
    "negative_evidence": [
        "photo 1: turn-lock hardware is bright silver-tone and visually more generic than the solid brass hardware typical of many classic vintage Coach bags",
        "photo 1: closure does not show a legible COACH mark or other brand identifier",
        "photo 3: exterior construction and proportions are compatible with many unbranded leather bags, not uniquely Coach",
        "photo 4: no creed patch or Coach wordmark is visible in the interior view",
        "photo 5: interior close-up shows no readable Coach identifier",
        "photo 6: interior pocket is visible but no creed or serial tag can be seen",
        "photo 1-6: no creed patch legible, no COACH wordmark or horse-and-carriage visible",
        "photo 1-6: no leather hangtag visible",
        "photo 4, photo 6: interior views dark\/blurry, zipper brand and creed location cannot be verified"
    ],
    "missing_information": [
        "photo request: a straight-on, well-lit photograph of every interior wall and pocket, including any small sewn leather creed patch",
        "photo request: close-up of the turn-lock front and back, strap clips, and any zipper or hardware stamps",
        "photo request: full bottom, side, strap, and corner views",
        "seller-stated dimensions are unclear\/inconsistent; confirm width, height, and depth",
        "photo 1-6: creed patch not shown - need straight-on creed in raking light with No. line readable",
        "photo 1-6: COACH wordmark \/ hangtag not shown - need both faces of hangtag and chain",
        "photo 1-6: bottom and all four corners not shown - need bottom view to grade corner wear",
        "photo 4, photo 6: interior is dark\/blurry - need emptied interior wall, zip pocket and zipper-brand stamp",
        "photo 2: strap full length, buckle holes and fold point not shown",
        "seller-stated dimensions and scale cue needed"
    ],
    "authenticity_concerns": [
        "The bright silver-tone hardware and generic-looking turn-lock are less consistent with a classic 1970s\u2013early 1990s Coach Convertible Clutch, which commonly uses brass-tone hardware.",
        "No Coach creed, serial\/style number, wordmark, or hangtag is visible in the supplied photos; this substantially limits support for Coach manufacture.",
        "The seller's phrase \"like coach\" is a comparison, not evidence of Coach manufacture."
    ],
    "possible_model_reasoning": [
        "The flap, turn-lock, and detachable strap superficially resemble a Coach Convertible Clutch (9635) or Pocket Purse (9755), but the lack of any visible Coach identifier and the silver-tone generic hardware prevent a reliable Coach model match.",
        "Seller states approximately 5 inches wide by 7 inches high by 2 inches deep, but the listing measurement is unclear and cannot be verified from the photos.",
        "Condition appears Good: visible scuffs and surface wear on the front and interior (photos 3\u20136); corners and strap attachment points are not fully documented, and odor or mold cannot be assessed.",
        "Pocket Purse (9755) fits best: photo 1-3 small flap crossbody with turnlock and full-width back slip pocket; seller states ~9.5 x 7 x 2 in, close to catalog 9.5x6.5x2",
        "Convertible Clutch (9635) second: similar flap + turnlock + detachable strap that stows, but catalog size ~11x7x3 larger than seller dimensions",
        "No creed\/serial visible so era cannot be fixed from identifiers; construction (unlined suede-back glove-tanned + solid brass + dogleash) implies NYC\/US vintage window, hence vintage_probability high but estimated_era unknown",
        "Condition: Very Good to Excellent; photo 1-3 leather uniform with light scratches only, corners not shown so capped; strap uncracked where visible (photo 2), interior marks unknown due to dark\/blurry photo 4, photo 6, lining unknown in detail"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": true,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "Bright silver-tone turn-lock, rings, and swivel strap clips are visible in photos 1\u20133; no brand engraving is legible.",
        "leather_description": "Dark blue-black smooth leather-like exterior with visible surface scuffs and handling marks in photos 1, 3, and 5; exact leather type is not verifiable.",
        "lining_description": "Dark interior and an interior pocket are visible in photos 4 and 6; material and full condition are not clearly identifiable.",
        "strap_construction": "Detachable narrow strap with metal swivel clips and ring attachments, visible in photos 1\u20133; full length and adjustment details are not shown.",
        "stitching_description": "Machine stitching appears generally even around the flap and perimeter in photos 1\u20133, though stress points and underside construction are not fully shown."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0298,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.18,
                "vintage_probability": 0.35,
                "authenticity_confidence": 0.12,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.18,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: leather flap handbag with a turn-lock closure and detachable shoulder strap, features that can occur on vintage Coach Convertible Clutch-style bags",
                    "photo 2: strap attaches with metal swivel clips and ring hardware",
                    "photo 4: interior appears leather or suede-like rather than an obviously printed synthetic lining"
                ],
                "negative_evidence": [
                    "photo 1: turn-lock hardware is bright silver-tone and visually more generic than the solid brass hardware typical of many classic vintage Coach bags",
                    "photo 1: closure does not show a legible COACH mark or other brand identifier",
                    "photo 3: exterior construction and proportions are compatible with many unbranded leather bags, not uniquely Coach",
                    "photo 4: no creed patch or Coach wordmark is visible in the interior view",
                    "photo 5: interior close-up shows no readable Coach identifier",
                    "photo 6: interior pocket is visible but no creed or serial tag can be seen"
                ],
                "missing_information": [
                    "photo request: a straight-on, well-lit photograph of every interior wall and pocket, including any small sewn leather creed patch",
                    "photo request: close-up of the turn-lock front and back, strap clips, and any zipper or hardware stamps",
                    "photo request: full bottom, side, strap, and corner views",
                    "seller-stated dimensions are unclear\/inconsistent; confirm width, height, and depth"
                ],
                "authenticity_concerns": [
                    "The bright silver-tone hardware and generic-looking turn-lock are less consistent with a classic 1970s\u2013early 1990s Coach Convertible Clutch, which commonly uses brass-tone hardware.",
                    "No Coach creed, serial\/style number, wordmark, or hangtag is visible in the supplied photos; this substantially limits support for Coach manufacture.",
                    "The seller's phrase \"like coach\" is a comparison, not evidence of Coach manufacture."
                ],
                "observed_features": {
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "serial_or_style_number_present": false,
                    "serial_or_style_number": "not_visible",
                    "coach_wordmark_present": false,
                    "turnlock_present": true,
                    "hangtag_present": false,
                    "hardware_description": "Bright silver-tone turn-lock, rings, and swivel strap clips are visible in photos 1\u20133; no brand engraving is legible.",
                    "leather_description": "Dark blue-black smooth leather-like exterior with visible surface scuffs and handling marks in photos 1, 3, and 5; exact leather type is not verifiable.",
                    "lining_description": "Dark interior and an interior pocket are visible in photos 4 and 6; material and full condition are not clearly identifiable.",
                    "strap_construction": "Detachable narrow strap with metal swivel clips and ring attachments, visible in photos 1\u20133; full length and adjustment details are not shown.",
                    "stitching_description": "Machine stitching appears generally even around the flap and perimeter in photos 1\u20133, though stress points and underside construction are not fully shown."
                },
                "possible_model_reasoning": [
                    "The flap, turn-lock, and detachable strap superficially resemble a Coach Convertible Clutch (9635) or Pocket Purse (9755), but the lack of any visible Coach identifier and the silver-tone generic hardware prevent a reliable Coach model match.",
                    "Seller states approximately 5 inches wide by 7 inches high by 2 inches deep, but the listing measurement is unclear and cannot be verified from the photos.",
                    "Condition appears Good: visible scuffs and surface wear on the front and interior (photos 3\u20136); corners and strap attachment points are not fully documented, and odor or mold cannot be assessed."
                ],
                "confidence": 0.74,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.5,
                "coach_probability": 0.65,
                "confidence": 0.55,
                "estimated_era": "unknown",
                "estimated_resale_high": 120,
                "estimated_resale_low": 50,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1-6: creed patch not shown - need straight-on creed in raking light with No. line readable",
                    "photo 1-6: COACH wordmark \/ hangtag not shown - need both faces of hangtag and chain",
                    "photo 1-6: bottom and all four corners not shown - need bottom view to grade corner wear",
                    "photo 4, photo 6: interior is dark\/blurry - need emptied interior wall, zip pocket and zipper-brand stamp",
                    "photo 2: strap full length, buckle holes and fold point not shown",
                    "seller-stated dimensions and scale cue needed"
                ],
                "negative_evidence": [
                    "photo 1-6: no creed patch legible, no COACH wordmark or horse-and-carriage visible",
                    "photo 1-6: no leather hangtag visible",
                    "photo 4, photo 6: interior views dark\/blurry, zipper brand and creed location cannot be verified"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 1: front turnlock with slim rounded turning tab in brass-tone, oval plate consistent with vintage geometry; photo 2: brass-tone dogleash \/ lobster strap clips; photo 5: turnlock back plate brass-tone with prongs; no COACH engraving visible",
                    "leather_description": "photo 1, photo 3: black smooth glove-tanned cowhide with matte-to-satin finish, light surface scratches, even tone",
                    "lining_description": "photo 5, photo 6: unlined suede-back interior, dark, consistent with vintage glove-tanned classics; detail obscured by blur\/dark light",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1, photo 2, photo 3: tight even edge stitching, thread matched to black leather, clean at flap edge and side seams",
                    "strap_construction": "photo 2, photo 3: thin detachable shoulder strap on brass-tone dogleash clips; full length, adjustment and buckle holes not shown",
                    "turnlock_present": true
                },
                "positive_evidence": [
                    "photo 1: small black flap bag with brass-tone turnlock with slim rounded tab and elegant plate geometry",
                    "photo 1, photo 3: smooth black glove-tanned leather with baseball-glove look, tone-on-tone stitching",
                    "photo 3: exterior back slip pocket under flap, classic Coach Pocket Purse \/ Convertible Clutch layout",
                    "photo 2: detachable strap on solid brass-tone dogleash clips",
                    "photo 5, photo 6: unlined suede-back interior with interior zip pocket, correct for vintage classics"
                ],
                "possible_model_reasoning": [
                    "Pocket Purse (9755) fits best: photo 1-3 small flap crossbody with turnlock and full-width back slip pocket; seller states ~9.5 x 7 x 2 in, close to catalog 9.5x6.5x2",
                    "Convertible Clutch (9635) second: similar flap + turnlock + detachable strap that stows, but catalog size ~11x7x3 larger than seller dimensions",
                    "No creed\/serial visible so era cannot be fixed from identifiers; construction (unlined suede-back glove-tanned + solid brass + dogleash) implies NYC\/US vintage window, hence vintage_probability high but estimated_era unknown",
                    "Condition: Very Good to Excellent; photo 1-3 leather uniform with light scratches only, corners not shown so capped; strap uncracked where visible (photo 2), interior marks unknown due to dark\/blurry photo 4, photo 6, lining unknown in detail"
                ],
                "possible_models": [
                    "Pocket Purse (9755)",
                    "Convertible Clutch (9635)"
                ],
                "recommended_max_bid": 35,
                "seller_misidentification_probability": 0.65,
                "vintage_probability": 0.75
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17740,
            "output_tokens": 999,
            "total_tokens": 18739,
            "estimated_cost_usd": 0.009494
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18073,
            "output_tokens": 1724,
            "total_tokens": 19797,
            "estimated_cost_usd": 0.004994
        }
    ]
}