Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.03,
    "vintage_probability": 0.24,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.83,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.86,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: structured leather-look flap handbag with top handle and detachable crossbody strap.",
        "photo 5: interior shows divided compartments and a zip pocket, consistent with a handbag.",
        "photo 1: leather flap crossbody handbag silhouette broadly similar to vintage flap bags",
        "photo 5: leather interior with zip pocket under flap, consistent with older leather bags"
    ],
    "negative_evidence": [
        "photo 1: front closure is a rounded silver-tone clasp rather than a recognizable Coach turnlock.",
        "photo 1: body has an all-over woven\/embossed texture and glossy coated appearance, unlike the smooth or naturally grained glove-tanned leather typical of classic vintage Coach.",
        "photo 2: rear zipper and hardware are silver-tone; no Coach wordmark, horse-and-carriage, or hangtag is visible.",
        "photo 4: clasp has a small stamped alphanumeric marking, but it does not visibly read COACH.",
        "photo 5: interior is plain synthetic-looking black lining with no visible Coach creed or fabric brand tag.",
        "photo 3: strap and side hardware appear generic and plated rather than characteristic vintage Coach brass hardware.",
        "photo 1,2,5: silver-tone hardware throughout, not solid brass vintage Coach hardware",
        "photo 1,2,4: woven\/embossed coated finish, not smooth glove-tanned cowhide with natural grain",
        "photo 4: hardware engraved G.FREY.B082AC00403 - non-Coach maker mark on clasp",
        "photo 5: interior shows no creed patch on back wall or pocket, no COACH wordmark",
        "photo 1,4: chunky round silver clasp geometry unlike Cashin turnlock oval thin plate with slim tab",
        "photo 2,3,5: top handle with squared metal end caps and thin adjustable crossbody strap, no brass dogleash\/lobster Coach construction"
    ],
    "missing_information": [
        "photo 5: a clearer, fully emptied view of all interior walls and pockets to confirm that no creed or brand label is present.",
        "photo 3: close-ups of zipper pulls, strap clips, and all hardware markings.",
        "photo 1: bottom and corner views for construction and material assessment.",
        "seller-stated material composition and any interior or care labels.",
        "No creed patch shown - request straight-on interior back-wall\/pocket photo to confirm absence",
        "No bottom\/corners close-up to finalize condition grade",
        "No maker label \/ interior brand stamp close-up beyond hardware engraving"
    ],
    "authenticity_concerns": [
        "The visible construction, silver-tone hardware, woven embossed exterior, and generic clasp are inconsistent with a classic vintage Coach leather bag.",
        "No Coach identifier is visible in the provided photos; the small clasp marking should not be treated as a Coach style number."
    ],
    "possible_model_reasoning": [
        "No Coach model is a close match: the woven embossed body, rounded clasp, silver-tone hardware, and plain lined interior are more consistent with a generic contemporary or late-2000s+ fashion handbag.",
        "Seller describes the bag as 1990s, but no photo-visible era identifier supports that date; construction appears modern (2000s+).",
        "Condition: Good; visible surface wear and handling marks are present on the front and interior, while corners and strap attachment points appear intact in the available views.",
        "No Coach model fits: no creed, no wordmark, silver chunky clasp vs brass Coach turnlock, woven embossed leather vs glove-tanned, G.FREY hardware mark indicates other maker",
        "Condition: Good to Very Good; exterior texture intact with light wear, strap edges show light wear (photo 3), interior shows light soiling\/creasing (photo 5); capped without bottom-corner close-up and without odor\/mold assessment"
    ],
    "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": "Silver-tone clasp, zipper, strap clips, and handle fittings visible; clasp carries a small stamped marking that is not legibly COACH. The closure is a generic rounded clasp, not a classic Coach turnlock.",
        "leather_description": "Black glossy woven\/embossed leather-look or coated material; exact composition is not visible.",
        "lining_description": "Black fabric or synthetic-looking lining with divided compartments and a zip pocket; no brand label or creed visible in photo 5.",
        "strap_construction": "Long adjustable crossbody strap with plated side clips; separate top handle attached with metal fittings.",
        "stitching_description": "Visible machine stitching is generally even, with contrasting\/light thread visible around the flap and rear zipper; no distinctive Coach construction cue."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.004,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: structured leather-look flap handbag with top handle and detachable crossbody strap.",
                    "photo 5: interior shows divided compartments and a zip pocket, consistent with a handbag."
                ],
                "negative_evidence": [
                    "photo 1: front closure is a rounded silver-tone clasp rather than a recognizable Coach turnlock.",
                    "photo 1: body has an all-over woven\/embossed texture and glossy coated appearance, unlike the smooth or naturally grained glove-tanned leather typical of classic vintage Coach.",
                    "photo 2: rear zipper and hardware are silver-tone; no Coach wordmark, horse-and-carriage, or hangtag is visible.",
                    "photo 4: clasp has a small stamped alphanumeric marking, but it does not visibly read COACH.",
                    "photo 5: interior is plain synthetic-looking black lining with no visible Coach creed or fabric brand tag.",
                    "photo 3: strap and side hardware appear generic and plated rather than characteristic vintage Coach brass hardware."
                ],
                "missing_information": [
                    "photo 5: a clearer, fully emptied view of all interior walls and pockets to confirm that no creed or brand label is present.",
                    "photo 3: close-ups of zipper pulls, strap clips, and all hardware markings.",
                    "photo 1: bottom and corner views for construction and material assessment.",
                    "seller-stated material composition and any interior or care labels."
                ],
                "authenticity_concerns": [
                    "The visible construction, silver-tone hardware, woven embossed exterior, and generic clasp are inconsistent with a classic vintage Coach leather bag.",
                    "No Coach identifier is visible in the provided photos; the small clasp marking should not be treated as a Coach style number."
                ],
                "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": "Silver-tone clasp, zipper, strap clips, and handle fittings visible; clasp carries a small stamped marking that is not legibly COACH. The closure is a generic rounded clasp, not a classic Coach turnlock.",
                    "leather_description": "Black glossy woven\/embossed leather-look or coated material; exact composition is not visible.",
                    "lining_description": "Black fabric or synthetic-looking lining with divided compartments and a zip pocket; no brand label or creed visible in photo 5.",
                    "strap_construction": "Long adjustable crossbody strap with plated side clips; separate top handle attached with metal fittings.",
                    "stitching_description": "Visible machine stitching is generally even, with contrasting\/light thread visible around the flap and rear zipper; no distinctive Coach construction cue."
                },
                "possible_model_reasoning": [
                    "No Coach model is a close match: the woven embossed body, rounded clasp, silver-tone hardware, and plain lined interior are more consistent with a generic contemporary or late-2000s+ fashion handbag.",
                    "Seller describes the bag as 1990s, but no photo-visible era identifier supports that date; construction appears modern (2000s+).",
                    "Condition: Good; visible surface wear and handling marks are present on the front and interior, while corners and strap attachment points appear intact in the available views."
                ],
                "confidence": 0.87,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.78,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No creed patch shown - request straight-on interior back-wall\/pocket photo to confirm absence",
                    "No bottom\/corners close-up to finalize condition grade",
                    "No maker label \/ interior brand stamp close-up beyond hardware engraving"
                ],
                "negative_evidence": [
                    "photo 1,2,5: silver-tone hardware throughout, not solid brass vintage Coach hardware",
                    "photo 1,2,4: woven\/embossed coated finish, not smooth glove-tanned cowhide with natural grain",
                    "photo 4: hardware engraved G.FREY.B082AC00403 - non-Coach maker mark on clasp",
                    "photo 5: interior shows no creed patch on back wall or pocket, no COACH wordmark",
                    "photo 1,4: chunky round silver clasp geometry unlike Cashin turnlock oval thin plate with slim tab",
                    "photo 2,3,5: top handle with squared metal end caps and thin adjustable crossbody strap, no brass dogleash\/lobster Coach construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone metal throughout; front flap round clasp with rectangular tab (photo 1,4), rear zip with small pull (photo 2), top-handle end caps, buckle-adjustable strap (photo 3); engraved G.FREY.B082AC00403 on clasp underside (photo 4); light scratching, no brass tone",
                    "leather_description": "black leather with all-over woven basketweave embossed\/coated texture with sheen (photo 1,2,4); smooth trim edging; not matte glove-tanned full-grain",
                    "lining_description": "black leatherette\/leather interior with divided compartments and zip pocket (photo 5); no suede-back unlined glove-tanned look, no fabric Coach lining",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "dark straight stitching along flap edge and trim (photo 1,2); no contrast thread; functional but not diagnostic",
                    "strap_construction": "rigid top handle with metal mounts (photo 1,2) plus thin detachable\/adjustable long shoulder-crossbody strap with buckle holes and two length settings per seller (photo 3,6)",
                    "turnlock_present": true
                },
                "positive_evidence": [
                    "photo 1: leather flap crossbody handbag silhouette broadly similar to vintage flap bags",
                    "photo 5: leather interior with zip pocket under flap, consistent with older leather bags"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: no creed, no wordmark, silver chunky clasp vs brass Coach turnlock, woven embossed leather vs glove-tanned, G.FREY hardware mark indicates other maker",
                    "Condition: Good to Very Good; exterior texture intact with light wear, strap edges show light wear (photo 3), interior shows light soiling\/creasing (photo 5); capped without bottom-corner close-up and without odor\/mold assessment"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.4
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18172,
            "output_tokens": 869,
            "total_tokens": 19041,
            "estimated_cost_usd": 0.009354
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18723,
            "output_tokens": 1363,
            "total_tokens": 20086,
            "estimated_cost_usd": 0.004835
        }
    ]
}