Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.585,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.845,
    "recommended_max_bid": 5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 20,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Bag is made from shiny woven\/nylon-like synthetic fabric rather than vintage glove-tanned leather.",
        "photo 1: Multiple zippered compartments, webbing straps, and silver-tone hardware are inconsistent with the classic vintage Coach leather handbag population.",
        "photo 1: No visible Coach wordmark, horse-and-carriage, creed patch, hangtag, or recognizable Coach identifier.",
        "photo 1: Overall construction resembles a generic utility or travel shoulder bag.",
        "photo 1: purple woven nylon \/ synthetic fabric body and strap, not glove-tanned leather",
        "photo 1: silver-tone zipper pulls and slide buckle, not solid brass vintage hardware",
        "photo 1: zip-top multi-pocket crossbody silhouette with fabric strap - no turnlock, no leather hangtag, no COACH wordmark visible",
        "photo 1-3: all three photos are near-duplicate single exterior view, no creed patch or brand identifier visible"
    ],
    "missing_information": [
        "photo 1: Interior, lining, bottom, and any sewn-in brand\/care labels are not shown.",
        "photo 1: No close-up of any interior label, zipper pull marking, or tag.",
        "Seller-stated dimensions and material composition are absent.",
        "interior \/ lining views not shown - photo 1 only shows one exterior side",
        "bottom, opposite side, and close-ups of hardware stamps not shown",
        "creed patch \/ brand label not shown - no evidence of Coach identifier"
    ],
    "authenticity_concerns": [
        "photo 1: Synthetic fabric and utility-style construction provide no support for Coach manufacture; this appears to be a generic non-Coach bag rather than a vintage Coach lookalike."
    ],
    "possible_model_reasoning": [
        "photo 1: The multi-compartment zip-top silhouette and textile webbing straps do not match a specific Coach model in the provided catalog.",
        "photo 1: Seller title says 'Unknown Brand' and 'New,' but the photos\u2014not the seller wording\u2014provide the basis for the low Coach assessment.",
        "photo 1: Condition appears new or unused from the visible exterior, though interior condition and odor cannot be assessed.",
        "No Coach identifiers visible in any photo: no creed, no wordmark, no hangtag, no brass turnlock",
        "Nylon\/synthetic material with silver-tone hardware and zip-top construction is excluded to coach_probability <=0.05 per skill triage rule",
        "Silhouette does not match any catalog classic glove-tanned style; modern mass-market 5-pocket crossbody",
        "Condition: appears new\/unused per title and clean fabric in photo 1, but only one exterior view 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: Silver-tone rectangular strap adjuster and small zipper pulls; no visible Coach engraving. No turnlock.",
        "leather_description": "photo 1: Shiny purple woven\/nylon-like synthetic textile; leather is not visible.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Wide matching textile\/webbing shoulder straps with adjustable rectangular metal hardware; multiple strap sections are visible.",
        "stitching_description": "photo 1: Machine-stitched textile construction with visible seams; detailed stitch quality is not sufficiently shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0028,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Bag is made from shiny woven\/nylon-like synthetic fabric rather than vintage glove-tanned leather.",
                    "photo 1: Multiple zippered compartments, webbing straps, and silver-tone hardware are inconsistent with the classic vintage Coach leather handbag population.",
                    "photo 1: No visible Coach wordmark, horse-and-carriage, creed patch, hangtag, or recognizable Coach identifier.",
                    "photo 1: Overall construction resembles a generic utility or travel shoulder bag."
                ],
                "missing_information": [
                    "photo 1: Interior, lining, bottom, and any sewn-in brand\/care labels are not shown.",
                    "photo 1: No close-up of any interior label, zipper pull marking, or tag.",
                    "Seller-stated dimensions and material composition are absent."
                ],
                "authenticity_concerns": [
                    "photo 1: Synthetic fabric and utility-style construction provide no support for Coach manufacture; this appears to be a generic non-Coach bag rather than a vintage Coach lookalike."
                ],
                "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: Silver-tone rectangular strap adjuster and small zipper pulls; no visible Coach engraving. No turnlock.",
                    "leather_description": "photo 1: Shiny purple woven\/nylon-like synthetic textile; leather is not visible.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Wide matching textile\/webbing shoulder straps with adjustable rectangular metal hardware; multiple strap sections are visible.",
                    "stitching_description": "photo 1: Machine-stitched textile construction with visible seams; detailed stitch quality is not sufficiently shown."
                },
                "possible_model_reasoning": [
                    "photo 1: The multi-compartment zip-top silhouette and textile webbing straps do not match a specific Coach model in the provided catalog.",
                    "photo 1: Seller title says 'Unknown Brand' and 'New,' but the photos\u2014not the seller wording\u2014provide the basis for the low Coach assessment.",
                    "photo 1: Condition appears new or unused from the visible exterior, though interior condition and odor cannot be assessed."
                ],
                "confidence": 0.84,
                "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": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.45,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "interior \/ lining views not shown - photo 1 only shows one exterior side",
                    "bottom, opposite side, and close-ups of hardware stamps not shown",
                    "creed patch \/ brand label not shown - no evidence of Coach identifier"
                ],
                "negative_evidence": [
                    "photo 1: purple woven nylon \/ synthetic fabric body and strap, not glove-tanned leather",
                    "photo 1: silver-tone zipper pulls and slide buckle, not solid brass vintage hardware",
                    "photo 1: zip-top multi-pocket crossbody silhouette with fabric strap - no turnlock, no leather hangtag, no COACH wordmark visible",
                    "photo 1-3: all three photos are near-duplicate single exterior view, no creed patch or brand identifier visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone metal zipper pulls and rectangular strap slide buckle; lightweight plated appearance, not solid brass",
                    "leather_description": "no leather visible; purple shiny woven synthetic \/ nylon fabric body and strap",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching visible at zip tape; detail not close enough for full assessment",
                    "strap_construction": "wide purple fabric crossbody strap with metal slide for adjustment, sewn to bag body",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifiers visible in any photo: no creed, no wordmark, no hangtag, no brass turnlock",
                    "Nylon\/synthetic material with silver-tone hardware and zip-top construction is excluded to coach_probability <=0.05 per skill triage rule",
                    "Silhouette does not match any catalog classic glove-tanned style; modern mass-market 5-pocket crossbody",
                    "Condition: appears new\/unused per title and clean fabric in photo 1, but only one exterior view shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 5,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
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            "output_tokens": 642,
            "total_tokens": 22575,
            "estimated_cost_usd": 0.010314
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}