Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.635,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.89,
    "recommended_max_bid": 7.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Listing title identifies the material as PU leather, which is inconsistent with the glove-tanned leather population of classic vintage Coach.",
        "photo 1: The bag has a contemporary leopard-print textile\/PU construction, tassel zipper pulls, and a modern detachable printed strap rather than a recognizable vintage Coach silhouette.",
        "photo 1: No Coach wordmark, horse-and-carriage, creed patch, serial number, or Coach hangtag is visible.",
        "photo 1: Bright silver-tone clips and zipper hardware are visible; the overall hardware and construction do not match a classic vintage Coach presentation.",
        "photo 1: The seller identifies the item as unbranded, and the bag appears to be a generic fashion crossbody.",
        "photo 1: black smooth PU faux material plus all-over leopard print panel - faux\/vegan\/PU per title, coach_probability <=0.05 per skill",
        "photo 1: gunmetal-tone zippers with tassel pulls and wide leopard-print fabric crossbody strap - modern fast-fashion construction, not vintage Coach solid brass and glove-tanned",
        "photo 1: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 1: front zip pocket with dual tassels and top zip - silhouette matches no catalog Coach classic"
    ],
    "missing_information": [
        "photo 1 is the only supplied view; interior, lining, bottom, strap attachments, zipper pulls, and any labels are not shown.",
        "Request a straight-on interior photo to verify whether any brand or fabric label is present.",
        "Request close-ups of all zipper pulls, hardware, and the reverse side of the strap clips.",
        "photo 1 only: front view only, no back, bottom, side, interior or creed views",
        "interior lining and any interior patch or tags not shown",
        "hardware engravings and zipper brand not shown"
    ],
    "authenticity_concerns": [
        "photo 1: PU\/leopard-print construction and generic modern styling are inconsistent with the classic vintage Coach leather handbag profile.",
        "photo 1: No brand identifiers are visible, so there is no positive evidence connecting the bag to Coach."
    ],
    "possible_model_reasoning": [
        "photo 1: The rectangular zip-top crossbody with a divided leopard-print front and tassel pulls is a generic modern fashion-bag design, not a clear match for a Coach catalog model.",
        "photo 1: No Coach identifier is visible and the seller-stated PU material supports a modern non-Coach classification.",
        "Condition: Not reliably gradable because only one exterior photo is provided; interior, bottom, and strap wear are unknown.",
        "photo 1 silhouette, materials and hardware do not match any Coach catalog style in 4.2 or 4.3; leopard-print PU with gunmetal tassel zippers is modern non-Coach fast fashion",
        "no Coach identifier visible to decode for era; era from construction is modern 2000s+ non-Coach",
        "Condition: not graded - single front lifestyle-type shot, no corner, bottom or interior views to grade wear"
    ],
    "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 lobster-style strap clips, rings, and zipper hardware; two tassel zipper pulls are visible. No Coach engraving is legible.",
        "leather_description": "photo 1: Black smooth-looking upper panel and leopard-print lower panel\/strap; seller states PU leather, and no genuine leather evidence is visible.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Wide adjustable leopard-print detachable shoulder strap with silver-tone clips.",
        "stitching_description": "photo 1: Exterior seams and zipper stitching are visible but not sufficiently detailed to assess construction quality."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0012,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "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: Listing title identifies the material as PU leather, which is inconsistent with the glove-tanned leather population of classic vintage Coach.",
                    "photo 1: The bag has a contemporary leopard-print textile\/PU construction, tassel zipper pulls, and a modern detachable printed strap rather than a recognizable vintage Coach silhouette.",
                    "photo 1: No Coach wordmark, horse-and-carriage, creed patch, serial number, or Coach hangtag is visible.",
                    "photo 1: Bright silver-tone clips and zipper hardware are visible; the overall hardware and construction do not match a classic vintage Coach presentation.",
                    "photo 1: The seller identifies the item as unbranded, and the bag appears to be a generic fashion crossbody."
                ],
                "missing_information": [
                    "photo 1 is the only supplied view; interior, lining, bottom, strap attachments, zipper pulls, and any labels are not shown.",
                    "Request a straight-on interior photo to verify whether any brand or fabric label is present.",
                    "Request close-ups of all zipper pulls, hardware, and the reverse side of the strap clips."
                ],
                "authenticity_concerns": [
                    "photo 1: PU\/leopard-print construction and generic modern styling are inconsistent with the classic vintage Coach leather handbag profile.",
                    "photo 1: No brand identifiers are visible, so there is no positive evidence connecting the bag to Coach."
                ],
                "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 lobster-style strap clips, rings, and zipper hardware; two tassel zipper pulls are visible. No Coach engraving is legible.",
                    "leather_description": "photo 1: Black smooth-looking upper panel and leopard-print lower panel\/strap; seller states PU leather, and no genuine leather evidence is visible.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Wide adjustable leopard-print detachable shoulder strap with silver-tone clips.",
                    "stitching_description": "photo 1: Exterior seams and zipper stitching are visible but not sufficiently detailed to assess construction quality."
                },
                "possible_model_reasoning": [
                    "photo 1: The rectangular zip-top crossbody with a divided leopard-print front and tassel pulls is a generic modern fashion-bag design, not a clear match for a Coach catalog model.",
                    "photo 1: No Coach identifier is visible and the seller-stated PU material supports a modern non-Coach classification.",
                    "Condition: Not reliably gradable because only one exterior photo is provided; interior, bottom, and strap wear are unknown."
                ],
                "confidence": 0.9,
                "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": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1 only: front view only, no back, bottom, side, interior or creed views",
                    "interior lining and any interior patch or tags not shown",
                    "hardware engravings and zipper brand not shown"
                ],
                "negative_evidence": [
                    "photo 1: black smooth PU faux material plus all-over leopard print panel - faux\/vegan\/PU per title, coach_probability <=0.05 per skill",
                    "photo 1: gunmetal-tone zippers with tassel pulls and wide leopard-print fabric crossbody strap - modern fast-fashion construction, not vintage Coach solid brass and glove-tanned",
                    "photo 1: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 1: front zip pocket with dual tassels and top zip - silhouette matches no catalog Coach classic"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gunmetal-tone zippers and swivel clips; dual front zip pulls with black tassel fobs",
                    "leather_description": "smooth black faux PU leather top panel with leopard-print faux lower panel per title and photo 1; no glove-tanned grain or patina",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible in detail; edges appear finished\/painted",
                    "strap_construction": "wide detachable leopard-print fabric crossbody strap on gunmetal-tone swivel clips, photo 1",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 silhouette, materials and hardware do not match any Coach catalog style in 4.2 or 4.3; leopard-print PU with gunmetal tassel zippers is modern non-Coach fast fashion",
                    "no Coach identifier visible to decode for era; era from construction is modern 2000s+ non-Coach",
                    "Condition: not graded - single front lifestyle-type shot, no corner, bottom or interior views to grade wear"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
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            "output_tokens": 743,
            "total_tokens": 16584,
            "estimated_cost_usd": 0.00812
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}