Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.025,
    "vintage_probability": 0.36,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.81,
    "seller_misidentification_probability": 0.045,
    "confidence": 0.865,
    "recommended_max_bid": 9,
    "estimated_resale_low": 10,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: handbag is clearly visible, but no Coach wordmark, carriage, creed patch, serial, or hangtag is shown.",
        "photos 1, 3, and 4: glossy crocodile-embossed exterior and ornate gold-tone hardware do not match the usual smooth glove-tanned leather and restrained solid-brass construction of classic vintage Coach.",
        "photos 2, 3, and 4: black fabric or synthetic-looking lining and a zipper compartment are visible; no Coach creed patch is apparent.",
        "photos 1 and 6: strap connectors and decorative metal sleeves appear generic and highly ornamental rather than characteristic Coach hardware.",
        "photo 3: closure appears to be a round snap\/button rather than a Coach turnlock.",
        "photo 1,4: glossy croc-embossed coated leather with high shine, not matte glove-tanned cowhide",
        "photo 2,3,5: black fabric lining with center zip pouch, not unlined suede-back glove-tanned interior",
        "photo 2,3: magnetic snap closure, no turnlock with Coach geometry",
        "photo 1-6: bright gold-tone plated hardware with spring-hook strap clips and oval anchors, not solid brass vintage hardware",
        "photo 1-6: small barrel \/ box silhouette with top tab, no match to Coach catalog styles",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible"
    ],
    "missing_information": [
        "photo 2: interior back wall and all pockets should be photographed straight-on to confirm whether any creed patch or fabric label exists.",
        "Request close-ups of every hardware stamp, zipper pull, strap attachment, and the reverse of the closure.",
        "Request clear photos of the bottom, side seams, corners, and full strap construction.",
        "Seller-stated dimensions, materials, country of manufacture, and any interior markings are not provided.",
        "photo of any interior leather creed patch or fabric brand label in raking light (photos 2,3,5 show lining but no patch visible)",
        "photo of hardware engravings \/ zipper pull brand stamp",
        "photo of bottom and all four corners for condition",
        "seller-stated dimensions for scale"
    ],
    "authenticity_concerns": [
        "photos 1-6: the bag presents as an unbranded crocodile-embossed lookalike rather than a recognizable Coach construction; no Coach identifier is visible.",
        "photos 1-6: glossy embossed finish, black lining, and decorative plated-looking hardware are inconsistent with a typical vintage Coach classic."
    ],
    "possible_model_reasoning": [
        "The rectangular flap shoulder-bag silhouette is generic and does not provide a reliable Coach model match.",
        "The round snap closure and crocodile embossing do not strongly match listed classic Coach models such as Willis, Court, Station, or Dinky.",
        "Condition: Good; glossy finish, visible surface wear and scratches, and possible material cracking or finish distress are visible in photos 1-4; interior odor, bottom wear, and strap cracking are unknown.",
        "No Coach identifiers visible in any photo: no creed patch, no wordmark, no hangtag, no turnlock",
        "Construction inconsistent with vintage Coach classics: glossy embossed finish vs glove-tanned, fabric-lined vs unlined, magnetic snap vs turnlock, plated spring-clip hardware vs solid brass",
        "Silhouette (small croc-embossed barrel\/box with tab magnetic closure) matches generic 1980s-2000s department-store evening \/ shoulder purse, not a Coach catalog style",
        "Condition: Very Good to Excellent appearance; glossy surface intact, no corner wear visible, interior looks clean (photos 2,3), but bottom corners and strap fold not fully shown so capped"
    ],
    "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": "Visible gold-tone snap closure, strap rings\/clips, and ribbed metal sleeves; no brand engraving is legible. The hardware appears decorative and plated-looking.",
        "leather_description": "Brown glossy crocodile-embossed material; the photos do not establish whether it is genuine leather or synthetic.",
        "lining_description": "Black fabric or synthetic-looking lining with a zippered interior compartment is visible in photos 2, 3, and 4.",
        "strap_construction": "Long narrow brown shoulder strap with stitched or folded ends, metal strap connectors, and decorative ribbed sleeves; visible in photos 1, 5, and 6.",
        "stitching_description": "Perimeter stitching is visible and generally even, though some areas appear coarse or irregular; stress-point construction is not fully shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0015,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.32,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.9,
                "seller_misidentification_probability": 0.06,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: handbag is clearly visible, but no Coach wordmark, carriage, creed patch, serial, or hangtag is shown.",
                    "photos 1, 3, and 4: glossy crocodile-embossed exterior and ornate gold-tone hardware do not match the usual smooth glove-tanned leather and restrained solid-brass construction of classic vintage Coach.",
                    "photos 2, 3, and 4: black fabric or synthetic-looking lining and a zipper compartment are visible; no Coach creed patch is apparent.",
                    "photos 1 and 6: strap connectors and decorative metal sleeves appear generic and highly ornamental rather than characteristic Coach hardware.",
                    "photo 3: closure appears to be a round snap\/button rather than a Coach turnlock."
                ],
                "missing_information": [
                    "photo 2: interior back wall and all pockets should be photographed straight-on to confirm whether any creed patch or fabric label exists.",
                    "Request close-ups of every hardware stamp, zipper pull, strap attachment, and the reverse of the closure.",
                    "Request clear photos of the bottom, side seams, corners, and full strap construction.",
                    "Seller-stated dimensions, materials, country of manufacture, and any interior markings are not provided."
                ],
                "authenticity_concerns": [
                    "photos 1-6: the bag presents as an unbranded crocodile-embossed lookalike rather than a recognizable Coach construction; no Coach identifier is visible.",
                    "photos 1-6: glossy embossed finish, black lining, and decorative plated-looking hardware are inconsistent with a typical vintage Coach classic."
                ],
                "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": "Visible gold-tone snap closure, strap rings\/clips, and ribbed metal sleeves; no brand engraving is legible. The hardware appears decorative and plated-looking.",
                    "leather_description": "Brown glossy crocodile-embossed material; the photos do not establish whether it is genuine leather or synthetic.",
                    "lining_description": "Black fabric or synthetic-looking lining with a zippered interior compartment is visible in photos 2, 3, and 4.",
                    "strap_construction": "Long narrow brown shoulder strap with stitched or folded ends, metal strap connectors, and decorative ribbed sleeves; visible in photos 1, 5, and 6.",
                    "stitching_description": "Perimeter stitching is visible and generally even, though some areas appear coarse or irregular; stress-point construction is not fully shown."
                },
                "possible_model_reasoning": [
                    "The rectangular flap shoulder-bag silhouette is generic and does not provide a reliable Coach model match.",
                    "The round snap closure and crocodile embossing do not strongly match listed classic Coach models such as Willis, Court, Station, or Dinky.",
                    "Condition: Good; glossy finish, visible surface wear and scratches, and possible material cracking or finish distress are visible in photos 1-4; interior odor, bottom wear, and strap cracking are unknown."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.72,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo of any interior leather creed patch or fabric brand label in raking light (photos 2,3,5 show lining but no patch visible)",
                    "photo of hardware engravings \/ zipper pull brand stamp",
                    "photo of bottom and all four corners for condition",
                    "seller-stated dimensions for scale"
                ],
                "negative_evidence": [
                    "photo 1,4: glossy croc-embossed coated leather with high shine, not matte glove-tanned cowhide",
                    "photo 2,3,5: black fabric lining with center zip pouch, not unlined suede-back glove-tanned interior",
                    "photo 2,3: magnetic snap closure, no turnlock with Coach geometry",
                    "photo 1-6: bright gold-tone plated hardware with spring-hook strap clips and oval anchors, not solid brass vintage hardware",
                    "photo 1-6: small barrel \/ box silhouette with top tab, no match to Coach catalog styles",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated hardware; large round magnetic snap (photo 2,3); small oval strap anchors on top edge; thin spring-hook \/ lobster-type clips with coiled collars",
                    "leather_description": "brown glossy croc-embossed leather with patent-like shine (photo 1,4)",
                    "lining_description": "black fabric lining with center zip divider pouch (photo 2,3,5)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "edge stitching around body and flap tab, tone-matched, no irregularity visible; detail limited by distance",
                    "strap_construction": "thin brown detachable shoulder strap with gold-tone coiled ends and spring clips (photo 1,4,6)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifiers visible in any photo: no creed patch, no wordmark, no hangtag, no turnlock",
                    "Construction inconsistent with vintage Coach classics: glossy embossed finish vs glove-tanned, fabric-lined vs unlined, magnetic snap vs turnlock, plated spring-clip hardware vs solid brass",
                    "Silhouette (small croc-embossed barrel\/box with tab magnetic closure) matches generic 1980s-2000s department-store evening \/ shoulder purse, not a Coach catalog style",
                    "Condition: Very Good to Excellent appearance; glossy surface intact, no corner wear visible, interior looks clean (photos 2,3), but bottom corners and strap fold not fully shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.4
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28780,
            "output_tokens": 842,
            "total_tokens": 29622,
            "estimated_cost_usd": 0.013533
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30094,
            "output_tokens": 1370,
            "total_tokens": 31464,
            "estimated_cost_usd": 0.007115
        }
    ]
}