Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.02,
    "vintage_probability": 0.035,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.685,
    "seller_misidentification_probability": 0.075,
    "confidence": 0.84,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 2,6: is a black leather-like shoulder handbag with adjustable strap"
    ],
    "negative_evidence": [
        "photo 1: exterior appears to be shiny synthetic or thin coated material with extensive zippered compartments, unlike the solid glove-tanned leather used in classic vintage Coach bags.",
        "photo 2: front silhouette and multi-zip construction do not clearly match a recognizable vintage Coach catalog style.",
        "photo 3: interior is shiny black textile lining, not the typical raw suede\/unlined interior of many classic vintage Coach styles.",
        "photo 6: no visible Coach wordmark, carriage, creed patch, or leather hangtag.",
        "photo 7: back has numerous utility pockets and zippers but no visible Coach branding.",
        "photo 1,3,4: shiny black synthetic polyester lining, not unlined suede-back glove-tanned - coach_probability <=0.05 per triage",
        "photo 2,6: zip-top patchwork hobo silhouette with exterior zip pockets, no turnlock flap - matches no catalog Coach style",
        "photo 1,2,5,6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 2,6: silver\/nickel-tone thin zipper and strap hardware, not solid brass vintage hardware",
        "photo 2,5,6: thin, shiny, wrinkled leather with patchwork seaming, not smooth matte glove-tanned cowhide"
    ],
    "missing_information": [
        "photo 1-7: no straight-on close-up of any interior label, sewn brand tag, or creed patch.",
        "photo 1-7: zipper-pull stamps and hardware markings are not shown clearly.",
        "photo 1-7: material composition and dimensions are not provided.",
        "photo 1,3,4: no creed patch visible - request straight-on interior back wall\/pocket in raking light",
        "photo 2,6: no COACH wordmark, hangtag, or horse-and-carriage visible - request both faces of any tags",
        "photo 2,5,6: zipper pull brand stamp not legible - request close-up",
        "photo 5: bottom shows no feet or stamps but resolution low - request clearer bottom and corner close-ups"
    ],
    "authenticity_concerns": [
        "photo 1-7: the shiny synthetic-looking exterior, shiny textile lining, and modern multi-compartment utility design are inconsistent with a typical vintage Coach leather handbag.",
        "photo 1-7: absence of any visible Coach identifier leaves the bag more consistent with a generic unbranded fashion handbag."
    ],
    "possible_model_reasoning": [
        "photo 2 and photo 7: the crossbody\/shoulder silhouette with multiple exterior and interior zippered compartments is generic and does not support a specific Coach model.",
        "photo 3 and photo 4: the shiny textile interior and compartment layout favor a modern unbranded utility bag over a classic vintage Coach style.",
        "Condition: approximately Good to Very Good; visible creasing and wrinkling throughout, with no obvious major tears or broken hardware shown, though full condition cannot be confirmed without clearer close-ups.",
        "No Coach model fits: zip-top lined patchwork hobo with polyester lining and silver hardware is inconsistent with 1970s-1990s unlined brass-turnlock classics and with 2000s+ Coach lines",
        "Condition: Good to Very Good per photos - exterior intact with wrinkling\/softness (photo 2,6), lining appears clean (photo 1,3,4), but corners, strap fold and odor not fully assessable"
    ],
    "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 2 and photo 6: small dark-tone strap attachment hardware is visible; no turnlock, Coach engraving, or distinctive vintage solid-brass hardware is visible.",
        "leather_description": "photo 1, photo 2, and photo 7: shiny, wrinkled black material; it appears synthetic or heavily coated rather than clearly glove-tanned leather.",
        "lining_description": "photo 3 and photo 4: shiny black textile lining with multiple zippered compartments; no brand label is visible.",
        "strap_construction": "photo 2 and photo 6: adjustable shoulder strap attached at both sides with small dark-tone fittings; strap appears thin and possibly synthetic.",
        "stitching_description": "photo 2 and photo 7: visible machine stitching is generally functional and fairly even, but not characteristic evidence of Coach manufacture."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.003,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: exterior appears to be shiny synthetic or thin coated material with extensive zippered compartments, unlike the solid glove-tanned leather used in classic vintage Coach bags.",
                    "photo 2: front silhouette and multi-zip construction do not clearly match a recognizable vintage Coach catalog style.",
                    "photo 3: interior is shiny black textile lining, not the typical raw suede\/unlined interior of many classic vintage Coach styles.",
                    "photo 6: no visible Coach wordmark, carriage, creed patch, or leather hangtag.",
                    "photo 7: back has numerous utility pockets and zippers but no visible Coach branding."
                ],
                "missing_information": [
                    "photo 1-7: no straight-on close-up of any interior label, sewn brand tag, or creed patch.",
                    "photo 1-7: zipper-pull stamps and hardware markings are not shown clearly.",
                    "photo 1-7: material composition and dimensions are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1-7: the shiny synthetic-looking exterior, shiny textile lining, and modern multi-compartment utility design are inconsistent with a typical vintage Coach leather handbag.",
                    "photo 1-7: absence of any visible Coach identifier leaves the bag more consistent with a generic unbranded fashion handbag."
                ],
                "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 2 and photo 6: small dark-tone strap attachment hardware is visible; no turnlock, Coach engraving, or distinctive vintage solid-brass hardware is visible.",
                    "leather_description": "photo 1, photo 2, and photo 7: shiny, wrinkled black material; it appears synthetic or heavily coated rather than clearly glove-tanned leather.",
                    "lining_description": "photo 3 and photo 4: shiny black textile lining with multiple zippered compartments; no brand label is visible.",
                    "strap_construction": "photo 2 and photo 6: adjustable shoulder strap attached at both sides with small dark-tone fittings; strap appears thin and possibly synthetic.",
                    "stitching_description": "photo 2 and photo 7: visible machine stitching is generally functional and fairly even, but not characteristic evidence of Coach manufacture."
                },
                "possible_model_reasoning": [
                    "photo 2 and photo 7: the crossbody\/shoulder silhouette with multiple exterior and interior zippered compartments is generic and does not support a specific Coach model.",
                    "photo 3 and photo 4: the shiny textile interior and compartment layout favor a modern unbranded utility bag over a classic vintage Coach style.",
                    "Condition: approximately Good to Very Good; visible creasing and wrinkling throughout, with no obvious major tears or broken hardware shown, though full condition cannot be confirmed without clearer close-ups."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.82,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo 1,3,4: no creed patch visible - request straight-on interior back wall\/pocket in raking light",
                    "photo 2,6: no COACH wordmark, hangtag, or horse-and-carriage visible - request both faces of any tags",
                    "photo 2,5,6: zipper pull brand stamp not legible - request close-up",
                    "photo 5: bottom shows no feet or stamps but resolution low - request clearer bottom and corner close-ups"
                ],
                "negative_evidence": [
                    "photo 1,3,4: shiny black synthetic polyester lining, not unlined suede-back glove-tanned - coach_probability <=0.05 per triage",
                    "photo 2,6: zip-top patchwork hobo silhouette with exterior zip pockets, no turnlock flap - matches no catalog Coach style",
                    "photo 1,2,5,6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 2,6: silver\/nickel-tone thin zipper and strap hardware, not solid brass vintage hardware",
                    "photo 2,5,6: thin, shiny, wrinkled leather with patchwork seaming, not smooth matte glove-tanned cowhide"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone zip-top zippers and strap rings\/clips; thin, lightweight appearance, not solid brass; no engravings legible",
                    "leather_description": "black thin shiny leather or faux leather with wrinkled texture and patchwork decorative seaming; not smooth matte glove-tanned cowhide",
                    "lining_description": "black shiny synthetic satin-like polyester lining in all interior views; fully lined with interior zip pocket",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible topstitching around patch panels and zippers, thread matched to black; no evidence of tight even Coach classic stitching detail in resolution shown",
                    "strap_construction": "single thin adjustable shoulder\/crossbody strap with buckle adjustment and metal clips at anchors",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 2,6: is a black leather-like shoulder handbag with adjustable strap"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: zip-top lined patchwork hobo with polyester lining and silver hardware is inconsistent with 1970s-1990s unlined brass-turnlock classics and with 2000s+ Coach lines",
                    "Condition: Good to Very Good per photos - exterior intact with wrinkling\/softness (photo 2,6), lining appears clean (photo 1,3,4), but corners, strap fold and odor not fully assessable"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.04
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17706,
            "output_tokens": 772,
            "total_tokens": 18478,
            "estimated_cost_usd": 0.008935
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18040,
            "output_tokens": 1099,
            "total_tokens": 19139,
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        }
    ]
}