Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.635,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.855,
    "recommended_max_bid": 9,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: no visible Coach wordmark, horse-and-carriage mark, creed patch, serial\/style number, or hangtag.",
        "photo 1: quilted flap, chain-threaded strap, and rectangular clasp are generic modern fashion-bag features rather than a recognizable vintage Coach construction.",
        "photo 1: hardware appears bright gold-tone and plated, unlike the solid, understated brass hardware typical of many vintage Coach classics.",
        "photo 1: listing title describes the item as new and unbranded, consistent with a contemporary generic bag.",
        "photo 1: diamond-quilted flap with Boy-style rectangular push lock and chain-through trim - not a Coach silhouette or hardware",
        "photo 1: bright gold-tone plated hardware with chain strap - not vintage solid brass",
        "photo 1: smooth uniform cognac material with puffy quilting suggests synthetic \/ faux leather, not glove-tanned cowhide",
        "photo 1: new condition with plastic wrap on hardware and tag-like paper at side - new fast-fashion listing",
        "photo 1: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
    ],
    "missing_information": [
        "photo 1 only shows the front exterior; request interior, lining, sewn-in labels, creed area, bottom, sides, strap attachments, and hardware close-ups.",
        "Ask for a close-up of any interior or exterior brand markings and the material composition.",
        "interior views including creed patch \/ lining not shown (photo 1 only front view)",
        "back \/ side \/ bottom \/ hardware close-ups not shown",
        "hangtag \/ brand stamps not shown",
        "material \/ dimensions not stated"
    ],
    "authenticity_concerns": [
        "photo 1: the bag has a generic Chanel-inspired quilted design and chain detail with no visible Coach identifiers; it appears to be a non-Coach lookalike rather than a misidentified vintage Coach bag.",
        "photo 1: the bright plated-looking hardware and contemporary geometric clasp are inconsistent with a typical 1970s\u20131990s Coach classic.",
        "photo 1: quilted Boy-style flap with bright plated hardware and chain is mass-market fast-fashion pattern with no Coach design language"
    ],
    "possible_model_reasoning": [
        "No Coach model is supported by the visible silhouette or hardware. The quilted flap and chain strap are generic contemporary styling, not a close match to the listed vintage Coach classics.",
        "Condition appears new or unused from photo 1, but the interior and underside are not shown, so condition cannot be fully graded.",
        "No Coach identifier visible in single front photo; quilted chain Boy-style construction, plated hardware and synthetic-look material point to modern non-Coach fast fashion, not any catalog Coach style",
        "Condition: New; appears unused with protective plastic on hardware (photo 1), no wear visible on front; grade capped by single-view coverage"
    ],
    "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: bright gold-tone chain, strap clips, and rectangular front clasp; no Coach engraving visible.",
        "leather_description": "photo 1: smooth, highly uniform cognac-brown exterior; leather type cannot be confirmed and may be synthetic or coated material.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: short top handle plus adjustable-looking chain-and-leather shoulder strap; strap ends attach with gold-tone clips.",
        "stitching_description": "photo 1: visible brown machine stitching is generally even around the flap and edges; no interior stress points are shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0049,
    "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": 0.82,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: no visible Coach wordmark, horse-and-carriage mark, creed patch, serial\/style number, or hangtag.",
                    "photo 1: quilted flap, chain-threaded strap, and rectangular clasp are generic modern fashion-bag features rather than a recognizable vintage Coach construction.",
                    "photo 1: hardware appears bright gold-tone and plated, unlike the solid, understated brass hardware typical of many vintage Coach classics.",
                    "photo 1: listing title describes the item as new and unbranded, consistent with a contemporary generic bag."
                ],
                "missing_information": [
                    "photo 1 only shows the front exterior; request interior, lining, sewn-in labels, creed area, bottom, sides, strap attachments, and hardware close-ups.",
                    "Ask for a close-up of any interior or exterior brand markings and the material composition."
                ],
                "authenticity_concerns": [
                    "photo 1: the bag has a generic Chanel-inspired quilted design and chain detail with no visible Coach identifiers; it appears to be a non-Coach lookalike rather than a misidentified vintage Coach bag.",
                    "photo 1: the bright plated-looking hardware and contemporary geometric clasp are inconsistent with a typical 1970s\u20131990s Coach classic."
                ],
                "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: bright gold-tone chain, strap clips, and rectangular front clasp; no Coach engraving visible.",
                    "leather_description": "photo 1: smooth, highly uniform cognac-brown exterior; leather type cannot be confirmed and may be synthetic or coated material.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: short top handle plus adjustable-looking chain-and-leather shoulder strap; strap ends attach with gold-tone clips.",
                    "stitching_description": "photo 1: visible brown machine stitching is generally even around the flap and edges; no interior stress points are shown."
                },
                "possible_model_reasoning": [
                    "No Coach model is supported by the visible silhouette or hardware. The quilted flap and chain strap are generic contemporary styling, not a close match to the listed vintage Coach classics.",
                    "Condition appears new or unused from photo 1, but the interior and underside are not shown, so condition cannot be fully graded."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1: quilted Boy-style flap with bright plated hardware and chain is mass-market fast-fashion pattern with no Coach design language"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.45,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior views including creed patch \/ lining not shown (photo 1 only front view)",
                    "back \/ side \/ bottom \/ hardware close-ups not shown",
                    "hangtag \/ brand stamps not shown",
                    "material \/ dimensions not stated"
                ],
                "negative_evidence": [
                    "photo 1: diamond-quilted flap with Boy-style rectangular push lock and chain-through trim - not a Coach silhouette or hardware",
                    "photo 1: bright gold-tone plated hardware with chain strap - not vintage solid brass",
                    "photo 1: smooth uniform cognac material with puffy quilting suggests synthetic \/ faux leather, not glove-tanned cowhide",
                    "photo 1: new condition with plastic wrap on hardware and tag-like paper at side - new fast-fashion listing",
                    "photo 1: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated rectangular flap lock at front center and gold-tone chain threaded around flap edge with top handle mounts; shiny plated appearance, not solid brass vintage",
                    "leather_description": "cognac brown quilted material with smooth uniform surface and diamond stitching; appears synthetic \/ faux leather, not glove-tanned full-grain cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "diamond quilt stitching on flap front plus edge stitching on trim; even but machine quilt pattern inconsistent with vintage Coach",
                    "strap_construction": "short top handle in same quilted material plus gold-tone chain crossbody strap threaded through flap; mounts visible at top sides",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in single front photo; quilted chain Boy-style construction, plated hardware and synthetic-look material point to modern non-Coach fast fashion, not any catalog Coach style",
                    "Condition: New; appears unused with protective plastic on hardware (photo 1), no wear visible on front; grade capped by single-view coverage"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 15894,
            "output_tokens": 734,
            "total_tokens": 16628,
            "estimated_cost_usd": 0.008119
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16267,
            "output_tokens": 1334,
            "total_tokens": 17601,
            "estimated_cost_usd": 0.004321
        }
    ]
}