Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.025,
    "vintage_probability": 0.065,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.745,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.845,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: The item is clearly a structured women's shoulder handbag.",
        "photo 2: Multiple compartments and zippers are visible, but no Coach branding is apparent."
    ],
    "negative_evidence": [
        "photo 1: The front has no visible Coach wordmark, carriage, creed patch, or hangtag.",
        "photo 2: The interior shows a small fabric label, but it does not visibly show a Coach identifier.",
        "photo 2: The bag appears to have a synthetic or heavily coated black finish rather than clearly identifiable vintage glove-tanned cowhide.",
        "photo 4: The visible hardware is silver-tone; this construction and hardware do not strongly match classic vintage Coach styles.",
        "photo 6: The interior has multiple zipper compartments and an unidentified label, with no legible Coach creed or serial.",
        "photo 1,3,4,6: no turnlock, no brass hardware, no hangtag, no COACH wordmark visible",
        "photo 1,3,4: black material with high sheen and wrinkled\/creased coated surface consistent with faux\/PU, not glove-tanned leather",
        "photo 2,5: silver-tone zipper teeth and pulls, thin plated look, not solid brass Talon\/YKK vintage type",
        "photo 2,5: interior lined in black synthetic with white 'Property of' manufacturer ID tag, not unlined suede with leather creed patch",
        "photo 1,3,4,6: exterior divided slip pocket with piped edges and soft unstructured construction unlike Coach classic catalog silhouettes"
    ],
    "missing_information": [
        "photo 2\/6: A close, straight-on photograph of the interior label is needed; the existing label is too small to read.",
        "A close-up of the full interior back wall and all pockets would help confirm whether any creed patch or fabric Coach tag is present.",
        "A close-up of the zipper pulls, hardware stamps, strap attachment points, and bottom corners would improve brand and construction assessment.",
        "Seller-stated dimensions and material information are not provided.",
        "bottom view with corners to confirm wear",
        "close-up of interior white manufacturer tag text for maker ID",
        "close-up of hardware stamps and zipper brand"
    ],
    "authenticity_concerns": [
        "photo 1: No visible Coach identifier supports a generic or lookalike handbag rather than a Coach bag.",
        "photo 2: The unidentified interior label and apparent synthetic\/coated construction are inconsistent with the typical unlined glove-tanned construction of many sought-after vintage Coach classics."
    ],
    "possible_model_reasoning": [
        "photo 1: The rectangular multi-compartment shoulder-bag silhouette does not closely match a specific classic Coach model in the catalog.",
        "photo 2: No readable creed, serial\/style number, or Coach label is available to support a Coach model identification.",
        "photo 1\/3: Condition appears Good, with extensive surface wrinkling and wear; the strap also shows creasing and edge wear. Interior condition is only partially shown.",
        "The bag is more plausibly a generic secondhand black shoulder handbag than a vintage Coach item.",
        "No Coach model fits: no creed, no brass turnlock, synthetic material and silver hardware inconsistent with 1970s-1990s classics; silhouette with front divided slip pocket and top-open with zip divider does not match City Bag, Court, Station, Willis or other catalog styles",
        "Condition: Good; surface creasing\/wrinkling throughout (photos 1,3), strap shows wear at pad area (photo 4), interior dusty but functional; bottom and corners not 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": "photo 4: Silver-tone rectangular strap adjuster and small metal attachment hardware are visible; no Coach engraving is legible.",
        "leather_description": "photo 1: Black smooth, wrinkled, heavily coated-looking material; genuine leather cannot be established from the photos.",
        "lining_description": "photo 2: Black interior with multiple zippered compartments and a small sewn fabric label; label text is not legible.",
        "strap_construction": "photo 4: Long adjustable shoulder strap with a silver-tone rectangular slider; visible edge wear and creasing near the adjustment area.",
        "stitching_description": "photo 1: Machine-stitched seams are visible and generally even, with some wrinkles and uneven shaping at the front pocket."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0014,
    "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": 0.02,
                "image_quality_score": 0.84,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: The item is clearly a structured women's shoulder handbag.",
                    "photo 2: Multiple compartments and zippers are visible, but no Coach branding is apparent."
                ],
                "negative_evidence": [
                    "photo 1: The front has no visible Coach wordmark, carriage, creed patch, or hangtag.",
                    "photo 2: The interior shows a small fabric label, but it does not visibly show a Coach identifier.",
                    "photo 2: The bag appears to have a synthetic or heavily coated black finish rather than clearly identifiable vintage glove-tanned cowhide.",
                    "photo 4: The visible hardware is silver-tone; this construction and hardware do not strongly match classic vintage Coach styles.",
                    "photo 6: The interior has multiple zipper compartments and an unidentified label, with no legible Coach creed or serial."
                ],
                "missing_information": [
                    "photo 2\/6: A close, straight-on photograph of the interior label is needed; the existing label is too small to read.",
                    "A close-up of the full interior back wall and all pockets would help confirm whether any creed patch or fabric Coach tag is present.",
                    "A close-up of the zipper pulls, hardware stamps, strap attachment points, and bottom corners would improve brand and construction assessment.",
                    "Seller-stated dimensions and material information are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: No visible Coach identifier supports a generic or lookalike handbag rather than a Coach bag.",
                    "photo 2: The unidentified interior label and apparent synthetic\/coated construction are inconsistent with the typical unlined glove-tanned construction of many sought-after vintage Coach classics."
                ],
                "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 4: Silver-tone rectangular strap adjuster and small metal attachment hardware are visible; no Coach engraving is legible.",
                    "leather_description": "photo 1: Black smooth, wrinkled, heavily coated-looking material; genuine leather cannot be established from the photos.",
                    "lining_description": "photo 2: Black interior with multiple zippered compartments and a small sewn fabric label; label text is not legible.",
                    "strap_construction": "photo 4: Long adjustable shoulder strap with a silver-tone rectangular slider; visible edge wear and creasing near the adjustment area.",
                    "stitching_description": "photo 1: Machine-stitched seams are visible and generally even, with some wrinkles and uneven shaping at the front pocket."
                },
                "possible_model_reasoning": [
                    "photo 1: The rectangular multi-compartment shoulder-bag silhouette does not closely match a specific classic Coach model in the catalog.",
                    "photo 2: No readable creed, serial\/style number, or Coach label is available to support a Coach model identification.",
                    "photo 1\/3: Condition appears Good, with extensive surface wrinkling and wear; the strap also shows creasing and edge wear. Interior condition is only partially shown.",
                    "The bag is more plausibly a generic secondhand black shoulder handbag than a vintage Coach item."
                ],
                "confidence": 0.87,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.82,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "bottom view with corners to confirm wear",
                    "close-up of interior white manufacturer tag text for maker ID",
                    "close-up of hardware stamps and zipper brand"
                ],
                "negative_evidence": [
                    "photo 1,3,4,6: no turnlock, no brass hardware, no hangtag, no COACH wordmark visible",
                    "photo 1,3,4: black material with high sheen and wrinkled\/creased coated surface consistent with faux\/PU, not glove-tanned leather",
                    "photo 2,5: silver-tone zipper teeth and pulls, thin plated look, not solid brass Talon\/YKK vintage type",
                    "photo 2,5: interior lined in black synthetic with white 'Property of' manufacturer ID tag, not unlined suede with leather creed patch",
                    "photo 1,3,4,6: exterior divided slip pocket with piped edges and soft unstructured construction unlike Coach classic catalog silhouettes"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone slide buckle on strap and small silver-tone zipper pulls; thin plated appearance, not solid brass; no turnlock present (photos 2,4,5)",
                    "leather_description": "black coated material with shiny surface and wrinkled\/creased texture consistent with faux\/PU leather, not matte glove-tanned cowhide (photos 1,3,4)",
                    "lining_description": "black synthetic lining; center zip divider compartment with white sewn-in manufacturer property tag (photos 2,5)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching around exterior pocket, matched thread, with piped\/wrapped edges (photos 1,3)",
                    "strap_construction": "thin flat adjustable shoulder strap with metal slide buckle and fuzzy shoulder-pad\/closure section (photo 4)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: no creed, no brass turnlock, synthetic material and silver hardware inconsistent with 1970s-1990s classics; silhouette with front divided slip pocket and top-open with zip divider does not match City Bag, Court, Station, Willis or other catalog styles",
                    "Condition: Good; surface creasing\/wrinkling throughout (photos 1,3), strap shows wear at pad area (photo 4), interior dusty but functional; bottom and corners not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28767,
            "output_tokens": 800,
            "total_tokens": 29567,
            "estimated_cost_usd": 0.013427
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30079,
            "output_tokens": 1580,
            "total_tokens": 31659,
            "estimated_cost_usd": 0.00728
        }
    ]
}