Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.035,
    "vintage_probability": 0.61,
    "authenticity_confidence": 0.035,
    "image_quality_score": 0.8,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.81,
    "recommended_max_bid": 15,
    "estimated_resale_low": 15,
    "estimated_resale_high": 42.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: compact leather crossbody handbag with a flap and long shoulder strap.",
        "photo 3: interior shows multiple compartments, a kiss-lock frame, and a zippered pocket.",
        "photo 5: brass-tone circular closure hardware is visible."
    ],
    "negative_evidence": [
        "photo 1: the exterior is glossy patterned snakeskin\/exotic leather rather than the smooth or pebbled glove-tanned leather typical of classic Coach bags.",
        "photos 1-6: no legible COACH wordmark, horse-and-carriage mark, leather hangtag, or Coach creed is visible.",
        "photos 3-4: the bag uses a framed kiss-lock construction and suede-like interior without visible Coach identification; this is compatible with many vintage makers.",
        "photo 5: the circular hardware appears to carry non-COACH lettering or decorative markings, but the text is not sufficiently clear to identify a brand.",
        "photo 1-2: snakeskin-embossed tan leather body - not Coach glove-tanned cowhide",
        "photo 3-4: kisslock frame plus magnetic snap closure - no Coach turnlock geometry",
        "photo 5-6: magnetic snap stamped UK PAT.1519246 - not Coach hardware",
        "photo 3-4: brown suede-like lining with zip pocket - no Coach creed patch visible",
        "photo 1-6: no COACH wordmark, horse-and-carriage, hangtag, or solid-brass turnlock visible"
    ],
    "missing_information": [
        "A straight-on photograph of every interior wall and pocket, especially any sewn-in leather creed or fabric label.",
        "Close-up photographs of both sides of the circular closure and all hardware markings in sharp focus.",
        "Photographs of the strap attachments, bottom, corners, and full interior.",
        "Any maker or country-of-origin label concealed inside a pocket or compartment.",
        "Seller-stated dimensions and confirmation of whether the leather is genuine snakeskin or embossed cowhide.",
        "photo of any maker mark, creed patch, or interior brand stamp - none visible in photos 1-6",
        "back, side, and bottom views to assess wear",
        "seller-stated dimensions for scale"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible, so the bag currently reads as an unbranded or other-maker vintage exotic-leather handbag rather than an identifiable Coach product.",
        "The snakeskin appearance, kiss-lock frame, and decorative circular clasp do not provide Coach-specific evidence and are common among other vintage handbag makers."
    ],
    "possible_model_reasoning": [
        "The compact framed kiss-lock silhouette does not closely match the listed classic Coach models, which generally use identifiable turnlocks, hangtags, or creed patches.",
        "A vintage era is plausible from the kiss-lock frame, patina, and construction, but no date-specific Coach identifier is visible; era remains unknown.",
        "Condition appears Good: visible surface scuffs, scratches, finish wear, and worn hardware in photos 1-6; the interior and frame appear usable, but odor and hidden damage cannot be assessed.",
        "No Coach silhouette match: kisslock-frame snakeskin envelope crossbody with magnetic snap does not correspond to any Classic catalog style (City Bag, Willis, Court, Dinky, etc.)",
        "No hard identifiers: no creed, serial, wordmark, turnlock, or hangtag visible in any photo",
        "Condition: Very Good to Excellent; glossy surface with light wear, no major stains or corner wear visible in photos 1-2, interior clean in photos 3-4"
    ],
    "estimated_era": "unknown",
    "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 3: brass-tone framed kiss-lock closure and several round snap\/button fasteners are visible. Photos 5-6 show circular closure hardware with worn or indistinct lettering\/decorative marks; no legible COACH marking.",
        "leather_description": "photos 1-6: glossy tan\/cognac leather with a small-scale snakeskin or reptile pattern; material appears structured and surface-coated, but the exact species\/material cannot be confirmed from photos.",
        "lining_description": "photos 3-4: brown suede-like or flocked interior with several compartments and a dark zippered pocket; no branded lining or label is visible.",
        "strap_construction": "photos 1-2: long narrow matching patterned shoulder strap attached directly at the upper side edges; adjustment hardware is not visible.",
        "stitching_description": "photos 3-6: visible tan stitching is generally straight and functional, with some unevenness and wear around seams; no Coach-specific construction detail is visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0028,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.72,
                "authenticity_confidence": 0.04,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: compact leather crossbody handbag with a flap and long shoulder strap.",
                    "photo 3: interior shows multiple compartments, a kiss-lock frame, and a zippered pocket.",
                    "photo 5: brass-tone circular closure hardware is visible."
                ],
                "negative_evidence": [
                    "photo 1: the exterior is glossy patterned snakeskin\/exotic leather rather than the smooth or pebbled glove-tanned leather typical of classic Coach bags.",
                    "photos 1-6: no legible COACH wordmark, horse-and-carriage mark, leather hangtag, or Coach creed is visible.",
                    "photos 3-4: the bag uses a framed kiss-lock construction and suede-like interior without visible Coach identification; this is compatible with many vintage makers.",
                    "photo 5: the circular hardware appears to carry non-COACH lettering or decorative markings, but the text is not sufficiently clear to identify a brand."
                ],
                "missing_information": [
                    "A straight-on photograph of every interior wall and pocket, especially any sewn-in leather creed or fabric label.",
                    "Close-up photographs of both sides of the circular closure and all hardware markings in sharp focus.",
                    "Photographs of the strap attachments, bottom, corners, and full interior.",
                    "Any maker or country-of-origin label concealed inside a pocket or compartment.",
                    "Seller-stated dimensions and confirmation of whether the leather is genuine snakeskin or embossed cowhide."
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible, so the bag currently reads as an unbranded or other-maker vintage exotic-leather handbag rather than an identifiable Coach product.",
                    "The snakeskin appearance, kiss-lock frame, and decorative circular clasp do not provide Coach-specific evidence and are common among other vintage handbag makers."
                ],
                "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 3: brass-tone framed kiss-lock closure and several round snap\/button fasteners are visible. Photos 5-6 show circular closure hardware with worn or indistinct lettering\/decorative marks; no legible COACH marking.",
                    "leather_description": "photos 1-6: glossy tan\/cognac leather with a small-scale snakeskin or reptile pattern; material appears structured and surface-coated, but the exact species\/material cannot be confirmed from photos.",
                    "lining_description": "photos 3-4: brown suede-like or flocked interior with several compartments and a dark zippered pocket; no branded lining or label is visible.",
                    "strap_construction": "photos 1-2: long narrow matching patterned shoulder strap attached directly at the upper side edges; adjustment hardware is not visible.",
                    "stitching_description": "photos 3-6: visible tan stitching is generally straight and functional, with some unevenness and wear around seams; no Coach-specific construction detail is visible."
                },
                "possible_model_reasoning": [
                    "The compact framed kiss-lock silhouette does not closely match the listed classic Coach models, which generally use identifiable turnlocks, hangtags, or creed patches.",
                    "A vintage era is plausible from the kiss-lock frame, patina, and construction, but no date-specific Coach identifier is visible; era remains unknown.",
                    "Condition appears Good: visible surface scuffs, scratches, finish wear, and worn hardware in photos 1-6; the interior and frame appear usable, but odor and hidden damage cannot be assessed."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 50
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.78,
                "estimated_era": "unknown",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.72,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo of any maker mark, creed patch, or interior brand stamp - none visible in photos 1-6",
                    "back, side, and bottom views to assess wear",
                    "seller-stated dimensions for scale"
                ],
                "negative_evidence": [
                    "photo 1-2: snakeskin-embossed tan leather body - not Coach glove-tanned cowhide",
                    "photo 3-4: kisslock frame plus magnetic snap closure - no Coach turnlock geometry",
                    "photo 5-6: magnetic snap stamped UK PAT.1519246 - not Coach hardware",
                    "photo 3-4: brown suede-like lining with zip pocket - no Coach creed patch visible",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, hangtag, or solid-brass turnlock visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone kisslock frame with striped end caps (photo 4) and round magnetic snap stamped UK PAT.1519246 (photo 5-6); dull brass-tone side snaps",
                    "leather_description": "tan cognac snakeskin-embossed leather with glossy finish, visible scale pattern (photo 1-2)",
                    "lining_description": "brown suede-like lining in main compartment (photo 4)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-matched straight stitching visible on flap center seam (photo 5-6)",
                    "strap_construction": "thin fixed-length snakeskin crossbody strap, sewn directly to body (photo 1-2)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach silhouette match: kisslock-frame snakeskin envelope crossbody with magnetic snap does not correspond to any Classic catalog style (City Bag, Willis, Court, Dinky, etc.)",
                    "No hard identifiers: no creed, serial, wordmark, turnlock, or hangtag visible in any photo",
                    "Condition: Very Good to Excellent; glossy surface with light wear, no major stains or corner wear visible in photos 1-2, interior clean in photos 3-4"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 24772,
            "output_tokens": 957,
            "total_tokens": 25729,
            "estimated_cost_usd": 0.012206
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 25754,
            "output_tokens": 1367,
            "total_tokens": 27121,
            "estimated_cost_usd": 0.006244
        }
    ]
}