Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.74,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.845,
    "recommended_max_bid": 9,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: all three visible items are contemporary-looking handbags with gold-tone zippers, smooth\/pebbled synthetic-looking surfaces, and no visible Coach branding.",
        "photo 2: the front crossbody has a decorative bow and chain strap rather than a recognizable vintage Coach construction.",
        "photo 5: the crossbody interior has a patterned synthetic fabric lining and no visible creed patch, wordmark, or style number.",
        "photo 6: the backpack-like bag has a modern rounded silhouette, front zipper pocket, and lightweight-looking plated hardware inconsistent with classic vintage Coach.",
        "photo 1: the listing is a three-bag lot and none of the bags shows the leather hangtag, turnlock, horse-and-carriage, or other visible Coach identifier.",
        "photo 1: lot of 3 modern zip-top bags with bright gold-tone plated zippers, no turnlock, no leather hangtag, no Coach silhouette",
        "photo 2, photo 3: blue bow-front crossbody in uniform pebbled synthetic-appearing material with gold chain strap - not glove-tanned cowhide",
        "photo 4: blue bag interior is grey\/white printed polyester lining with slip card slots - lined, not unlined suede-back glove-tanned",
        "photo 5, photo 6: grey mini backpack in smooth synthetic-appearing material with bright plated zipper and thin strap - not vintage Coach construction"
    ],
    "missing_information": [
        "Separate interior photographs of the white shoulder bag and gray backpack, including all pockets and seams.",
        "Straight-on close-ups of any labels, stamped patches, fabric tags, zipper pulls, and hardware on each bag.",
        "Photos of the bottoms, corners, strap attachments, and material edges of all three bags.",
        "Seller-stated material composition and dimensions for each bag.",
        "photo 1: lot of 3 bags - interiors of white shoulder bag and grey backpack not shown, no creed patch visible in any view",
        "photo 1: no bottom, hardware close-up, or brand marks shown for any of the three bags",
        "photo 4: small fabric tag partially visible inside blue bag but illegible - need straight-on photo"
    ],
    "authenticity_concerns": [
        "photo 5: the visible patterned textile lining and apparent synthetic construction do not match the unlined glove-tanned leather construction of classic vintage Coach.",
        "photo 1: the decorative styling and modern silhouettes appear to be generic contemporary bags rather than Coach models; no Coach identifier is visible.",
        "photo 1: because the lot is photographed primarily from the exterior and no Coach mark is shown, a transplanted or hidden identifier cannot be evaluated."
    ],
    "possible_model_reasoning": [
        "photo 1: none of the three silhouettes closely matches a recognizable vintage Coach catalog model, and no Coach identifier is visible.",
        "photo 5: the lined zippered crossbody could be a generic contemporary fashion bag; the lining and bow hardware provide no Coach-specific support.",
        "photo 6: the rounded zip-front backpack is modern and generic, not sufficient to assign a Coach model or era.",
        "Condition: approximately Very Good based on clean visible exteriors and intact-looking hardware, but bottoms, interiors, odors, and hidden wear are incompletely documented.",
        "No Coach identifier visible on any of the three bags in 6 photos - no creed patch, wordmark, horse-and-carriage, or solid-brass turnlock",
        "Materials and construction point to modern fast-fashion: synthetic-appearing bodies, bright plated hardware, polyester lining, chain straps, bow applique - inconsistent with any vintage Coach era",
        "Silhouettes - zip-top hobo, bow crossbody, mini backpack - are generic modern styles with no match to catalog classics like Willis (9927), Court (9870), Dinky (9375)",
        "Condition: Like New to Excellent appearance; photo 1, photo 3, photo 5-6 show clean surfaces, no corner wear visible, but bottoms and interiors of 2 bags not shown so grade 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": "photo 1: gold-tone zipper hardware and chain strap hardware are visible; no Coach engraving is legible. photo 6: gold-tone zipper pull is visible on the backpack-like bag.",
        "leather_description": "photo 1: surfaces appear smooth or finely pebbled and synthetic-looking; genuine leather cannot be established from photos.",
        "lining_description": "photo 5: gray-and-black patterned textile lining is visible in the front crossbody; the other bags' linings are not visible.",
        "strap_construction": "photo 1: the front crossbody has a detachable-looking gold chain and gray shoulder strap; the other bags have fixed or attached shoulder\/backpack straps visible.",
        "stitching_description": "photo 2: regular machine stitching is visible around the crossbody edges; detailed stress-point construction is not shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0028,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: all three visible items are contemporary-looking handbags with gold-tone zippers, smooth\/pebbled synthetic-looking surfaces, and no visible Coach branding.",
                    "photo 2: the front crossbody has a decorative bow and chain strap rather than a recognizable vintage Coach construction.",
                    "photo 5: the crossbody interior has a patterned synthetic fabric lining and no visible creed patch, wordmark, or style number.",
                    "photo 6: the backpack-like bag has a modern rounded silhouette, front zipper pocket, and lightweight-looking plated hardware inconsistent with classic vintage Coach.",
                    "photo 1: the listing is a three-bag lot and none of the bags shows the leather hangtag, turnlock, horse-and-carriage, or other visible Coach identifier."
                ],
                "missing_information": [
                    "Separate interior photographs of the white shoulder bag and gray backpack, including all pockets and seams.",
                    "Straight-on close-ups of any labels, stamped patches, fabric tags, zipper pulls, and hardware on each bag.",
                    "Photos of the bottoms, corners, strap attachments, and material edges of all three bags.",
                    "Seller-stated material composition and dimensions for each bag."
                ],
                "authenticity_concerns": [
                    "photo 5: the visible patterned textile lining and apparent synthetic construction do not match the unlined glove-tanned leather construction of classic vintage Coach.",
                    "photo 1: the decorative styling and modern silhouettes appear to be generic contemporary bags rather than Coach models; no Coach identifier is visible.",
                    "photo 1: because the lot is photographed primarily from the exterior and no Coach mark is shown, a transplanted or hidden identifier cannot be evaluated."
                ],
                "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 1: gold-tone zipper hardware and chain strap hardware are visible; no Coach engraving is legible. photo 6: gold-tone zipper pull is visible on the backpack-like bag.",
                    "leather_description": "photo 1: surfaces appear smooth or finely pebbled and synthetic-looking; genuine leather cannot be established from photos.",
                    "lining_description": "photo 5: gray-and-black patterned textile lining is visible in the front crossbody; the other bags' linings are not visible.",
                    "strap_construction": "photo 1: the front crossbody has a detachable-looking gold chain and gray shoulder strap; the other bags have fixed or attached shoulder\/backpack straps visible.",
                    "stitching_description": "photo 2: regular machine stitching is visible around the crossbody edges; detailed stress-point construction is not shown."
                },
                "possible_model_reasoning": [
                    "photo 1: none of the three silhouettes closely matches a recognizable vintage Coach catalog model, and no Coach identifier is visible.",
                    "photo 5: the lined zippered crossbody could be a generic contemporary fashion bag; the lining and bow hardware provide no Coach-specific support.",
                    "photo 6: the rounded zip-front backpack is modern and generic, not sufficient to assign a Coach model or era.",
                    "Condition: approximately Very Good based on clean visible exteriors and intact-looking hardware, but bottoms, interiors, odors, and hidden wear are incompletely documented."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 45,
                "estimated_resale_low": 15,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1: lot of 3 bags - interiors of white shoulder bag and grey backpack not shown, no creed patch visible in any view",
                    "photo 1: no bottom, hardware close-up, or brand marks shown for any of the three bags",
                    "photo 4: small fabric tag partially visible inside blue bag but illegible - need straight-on photo"
                ],
                "negative_evidence": [
                    "photo 1: lot of 3 modern zip-top bags with bright gold-tone plated zippers, no turnlock, no leather hangtag, no Coach silhouette",
                    "photo 2, photo 3: blue bow-front crossbody in uniform pebbled synthetic-appearing material with gold chain strap - not glove-tanned cowhide",
                    "photo 4: blue bag interior is grey\/white printed polyester lining with slip card slots - lined, not unlined suede-back glove-tanned",
                    "photo 5, photo 6: grey mini backpack in smooth synthetic-appearing material with bright plated zipper and thin strap - not vintage Coach construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated zippers and chain straps on all three bags (photo 1, photo 2, photo 5); thin, lightweight appearance, not solid brass",
                    "leather_description": "smooth white shoulder bag and smooth grey backpack plus pebbled blue crossbody, all uniform synthetic-appearing with sheen; no glove-tanned grain, patina, or natural scars\/veins visible (photo 1-3, photo 5-6)",
                    "lining_description": "photo 4: grey\/white micro-check printed polyester lining in blue bag; lining of other two bags not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even machine stitching, thread matched to body (photo 3, photo 5); no further detail visible",
                    "strap_construction": "photo 1-2: thin white shoulder strap, thin grey backpack straps, blue bag with thin faux-leather shoulder piece plus gold chain crossbody strap",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible on any of the three bags in 6 photos - no creed patch, wordmark, horse-and-carriage, or solid-brass turnlock",
                    "Materials and construction point to modern fast-fashion: synthetic-appearing bodies, bright plated hardware, polyester lining, chain straps, bow applique - inconsistent with any vintage Coach era",
                    "Silhouettes - zip-top hobo, bow crossbody, mini backpack - are generic modern styles with no match to catalog classics like Willis (9927), Court (9870), Dinky (9375)",
                    "Condition: Like New to Excellent appearance; photo 1, photo 3, photo 5-6 show clean surfaces, no corner wear visible, but bottoms and interiors of 2 bags not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28775,
            "output_tokens": 867,
            "total_tokens": 29642,
            "estimated_cost_usd": 0.013591
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30087,
            "output_tokens": 1462,
            "total_tokens": 31549,
            "estimated_cost_usd": 0.007187
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    ]
}