Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.125,
    "vintage_probability": 0.26,
    "authenticity_confidence": 0.105,
    "image_quality_score": 0.655,
    "seller_misidentification_probability": 0.13,
    "confidence": 0.685,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 2: Leather-looking black shoulder tote with sewn construction and gold-tone buckle hardware is consistent with a generic leather handbag.",
        "photo 3: The bag has a practical tote silhouette and visible even-looking seams.",
        "photo 2: black leather shoulder tote with brass-tone hardware, a population where misidentified vintage Coach hides",
        "photo 2-4: pebbled leather texture and simple unlogoed design broadly consistent with 1990s leather totes, but not diagnostic"
    ],
    "negative_evidence": [
        "photo 2: No COACH wordmark, horse-and-carriage mark, creed patch, hangtag, or other Coach identifier is visible.",
        "photo 2: The prominent gold-tone buckle hardware and double-strap tote construction do not match a recognizable classic Coach model.",
        "photo 3: The leather appears pebbled\/textured rather than clearly identifiable as vintage Coach glove-tanned leather.",
        "photo 5: Visible zipper hardware is not shown with a Coach-era stamp, and no classic Coach turnlock is present.",
        "photo 1: Seller lifestyle photo does not provide useful brand or interior-identification evidence.",
        "photo 2-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 2-3: no turnlock; closure is zip-top with decorative buckle straps, not a classic Coach turnlock silhouette",
        "photo 2-6: no solid-brass turnlock, dogleash clips, bead-chain hangtag, or Talon\/YKK zipper stamp visible to support Coach",
        "photo 1-6: no catalog match to a specific Coach style; double buckle-strap zip tote is generic and widely copied"
    ],
    "missing_information": [
        "photo 2-6: Interior is not shown; request a fully opened interior, back wall, slip pockets, and any sewn-in labels.",
        "photo 2-6: Request close-ups of every interior label, stamp, zipper pull, and hardware engraving.",
        "photo 2-6: Request bottom, side, corner, and full strap-attachment views.",
        "photo 2-6: Seller states the lining is intact, but this is not verifiable from the provided photos.",
        "interior views including creed patch straight-on in raking light (photo checklist 1-2)",
        "bottom, sides and back views with scale (photo checklist 5, 8)",
        "zipper pull brand stamp and buckle close-ups (photo checklist 3)",
        "hangtag both faces if present (photo checklist 4)",
        "strap full length and fold points (photo checklist 6)",
        "Made-in line \/ fabric tags in seams"
    ],
    "authenticity_concerns": [
        "No Coach-specific identifier or recognizable Coach construction is visible; this currently reads as a generic leather tote rather than a misidentified vintage Coach bag.",
        "The design lacks the turnlock, creed, hangtag, or other high-value evidence expected for a classic vintage Coach identification."
    ],
    "possible_model_reasoning": [
        "The silhouette is a generic double-strap tote and does not closely match the listed classic Coach turnlock models; no Coach model is assigned.",
        "Seller describes the item as vintage, but the photos provide no era-specific Coach identifier. The zipper, lined construction, and contemporary tote design are more consistent with a modern 2000s+ non-Coach bag.",
        "Condition appears approximately Good to Very Good: visible strap wear and creasing are present (photos 5-6), while major cracking or tears are not visible; interior and bottom condition remain unknown.",
        "No Coach identifier visible so no specific style number can be ranked; silhouette is a generic double-strap zip-top tote without turnlock, dowel handle, or Coach construction cues",
        "Era cannot be determined without creed\/serial, country line, lining or hardware stamps",
        "Condition: Very Good to Good; leather intact with no cracks per photos, light strap wear in photo 6, bottom corners not shown so capped; lining unknown because interior not shown"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": false,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 2-5: Gold-tone rectangular buckle hardware on the shoulder straps and a visible gold-tone zipper; no Coach engraving is legible.",
        "leather_description": "photo 2-4: Black textured or pebbled leather-like exterior with visible creasing and mild surface wear; exact leather type is not verifiable.",
        "lining_description": "not_visible; seller states inside lining is fully intact but no interior photo provided",
        "strap_construction": "photo 2, 5-6: Two long black shoulder straps with stitched edges, buckle adjustment, and visible wear\/creasing on portions of the straps.",
        "stitching_description": "photo 2-6: Machine-sewn double rows and panel seams are visible; stitching appears generally even, but stress-point construction is not fully assessable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0065,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.07,
                "vintage_probability": 0.12,
                "authenticity_confidence": 0.06,
                "image_quality_score": 0.76,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 2: Leather-looking black shoulder tote with sewn construction and gold-tone buckle hardware is consistent with a generic leather handbag.",
                    "photo 3: The bag has a practical tote silhouette and visible even-looking seams."
                ],
                "negative_evidence": [
                    "photo 2: No COACH wordmark, horse-and-carriage mark, creed patch, hangtag, or other Coach identifier is visible.",
                    "photo 2: The prominent gold-tone buckle hardware and double-strap tote construction do not match a recognizable classic Coach model.",
                    "photo 3: The leather appears pebbled\/textured rather than clearly identifiable as vintage Coach glove-tanned leather.",
                    "photo 5: Visible zipper hardware is not shown with a Coach-era stamp, and no classic Coach turnlock is present.",
                    "photo 1: Seller lifestyle photo does not provide useful brand or interior-identification evidence."
                ],
                "missing_information": [
                    "photo 2-6: Interior is not shown; request a fully opened interior, back wall, slip pockets, and any sewn-in labels.",
                    "photo 2-6: Request close-ups of every interior label, stamp, zipper pull, and hardware engraving.",
                    "photo 2-6: Request bottom, side, corner, and full strap-attachment views.",
                    "photo 2-6: Seller states the lining is intact, but this is not verifiable from the provided photos."
                ],
                "authenticity_concerns": [
                    "No Coach-specific identifier or recognizable Coach construction is visible; this currently reads as a generic leather tote rather than a misidentified vintage Coach bag.",
                    "The design lacks the turnlock, creed, hangtag, or other high-value evidence expected for a classic vintage Coach identification."
                ],
                "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": false,
                    "hangtag_present": false,
                    "hardware_description": "photo 2-5: Gold-tone rectangular buckle hardware on the shoulder straps and a visible gold-tone zipper; no Coach engraving is legible.",
                    "leather_description": "photo 2-4: Black textured or pebbled leather-like exterior with visible creasing and mild surface wear; exact leather type is not verifiable.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 2, 5-6: Two long black shoulder straps with stitched edges, buckle adjustment, and visible wear\/creasing on portions of the straps.",
                    "stitching_description": "photo 2-6: Machine-sewn double rows and panel seams are visible; stitching appears generally even, but stress-point construction is not fully assessable."
                },
                "possible_model_reasoning": [
                    "The silhouette is a generic double-strap tote and does not closely match the listed classic Coach turnlock models; no Coach model is assigned.",
                    "Seller describes the item as vintage, but the photos provide no era-specific Coach identifier. The zipper, lined construction, and contemporary tote design are more consistent with a modern 2000s+ non-Coach bag.",
                    "Condition appears approximately Good to Very Good: visible strap wear and creasing are present (photos 5-6), while major cracking or tears are not visible; interior and bottom condition remain unknown."
                ],
                "confidence": 0.77,
                "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": 0.15,
                "coach_probability": 0.18,
                "confidence": 0.6,
                "estimated_era": "unknown",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior views including creed patch straight-on in raking light (photo checklist 1-2)",
                    "bottom, sides and back views with scale (photo checklist 5, 8)",
                    "zipper pull brand stamp and buckle close-ups (photo checklist 3)",
                    "hangtag both faces if present (photo checklist 4)",
                    "strap full length and fold points (photo checklist 6)",
                    "Made-in line \/ fabric tags in seams"
                ],
                "negative_evidence": [
                    "photo 2-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 2-3: no turnlock; closure is zip-top with decorative buckle straps, not a classic Coach turnlock silhouette",
                    "photo 2-6: no solid-brass turnlock, dogleash clips, bead-chain hangtag, or Talon\/YKK zipper stamp visible to support Coach",
                    "photo 1-6: no catalog match to a specific Coach style; double buckle-strap zip tote is generic and widely copied"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone buckle slides at front strap attachments (photo 2-3); zip-top closure with brass-tone teeth (photo 2, photo 5); tone and solidity not verifiable, no engravings legible",
                    "leather_description": "black pebbled \/ grained leather with soft sheen, some surface wear and scuffing (photo 2-4); thickness and glove-tanned character not verifiable from photos",
                    "lining_description": "not_visible; seller states inside lining is fully intact but no interior photo provided",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "dark stitching along straps and trim, appears even in close-ups (photo 3, photo 5); full seam quality not assessable",
                    "strap_construction": "double fixed shoulder straps with buckle-detail attachment at front (photo 2-3); full length, undersides and anchors not fully shown; seller notes wear on strap visible as light scuffing\/whitening in photo 6",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 2: black leather shoulder tote with brass-tone hardware, a population where misidentified vintage Coach hides",
                    "photo 2-4: pebbled leather texture and simple unlogoed design broadly consistent with 1990s leather totes, but not diagnostic"
                ],
                "possible_model_reasoning": [
                    "No Coach identifier visible so no specific style number can be ranked; silhouette is a generic double-strap zip-top tote without turnlock, dowel handle, or Coach construction cues",
                    "Era cannot be determined without creed\/serial, country line, lining or hardware stamps",
                    "Condition: Very Good to Good; leather intact with no cracks per photos, light strap wear in photo 6, bottom corners not shown so capped; lining unknown because interior not shown"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.18,
                "vintage_probability": 0.4
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18144,
            "output_tokens": 853,
            "total_tokens": 18997,
            "estimated_cost_usd": 0.009305
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18698,
            "output_tokens": 1202,
            "total_tokens": 19900,
            "estimated_cost_usd": 0.004701
        }
    ]
}