Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.015,
    "vintage_probability": 0.01,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.765,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.92,
    "recommended_max_bid": 5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 20,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a small shoulder\/crossbody handbag with a flap and chain strap"
    ],
    "negative_evidence": [
        "photo 1: prominent deer-head decorative clasp is not a Coach horse-and-carriage mark or vintage Coach turnlock",
        "photo 1: blue glitter\/sequin body and white synthetic-looking flap do not resemble vintage glove-tanned Coach leather",
        "photo 4: interior appears synthetic and lacks a visible Coach creed, wordmark, or serial tag",
        "photos 1-4: seller identifies the item as unbranded and provides no Coach-specific provenance",
        "photo 1, photo 2: blue glitter\/sequin body with white faux-leather flap - faux\/sequin materials Coach never used for vintage classics",
        "photo 1: novelty deer\/antler clasp, not Coach turnlock geometry",
        "photo 3, photo 4: thin bright gold-tone chain strap with eyelet attachment, plated and lightweight",
        "photo 4: white synthetic lining, no creed patch, no zip pocket, no suede glove-tanned interior",
        "photo 1-3: no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
    ],
    "missing_information": [
        "Straight-on close-up of any interior labels, stamps, or sewn-in tags",
        "Close-up of the clasp, zipper hardware, and chain attachment points",
        "Dimensions and confirmation of the material composition",
        "no creed patch visible - interior shown in photo 4 with no stamped leather patch",
        "no bottom, side, or scale views",
        "no fabric content or made-in tag shown"
    ],
    "authenticity_concerns": [
        "photos 1-4: construction and decorative hardware are inconsistent with vintage Coach; this appears to be an unbranded fashion bag rather than a Coach lookalike with a missing identifier",
        "photo 1, photo 2: glitter\/sequin body and novelty deer-antler clasp have no counterpart in Coach catalog; materials and hardware inconsistent with any Coach era",
        "photo 4: thin bright plated chain and snap construction inconsistent with vintage Coach solid brass hardware"
    ],
    "possible_model_reasoning": [
        "The compact flap silhouette is a generic modern evening\/crossbody design and does not closely match a catalogued vintage Coach model.",
        "The glitter\/sequin exterior, ornate deer clasp, and chain strap point to a contemporary unbranded fashion accessory, not a pre-2000 Coach leather handbag.",
        "Condition: approximately Very Good to Excellent from the visible exterior, with no obvious major wear; the limited interior and hardware views prevent a complete condition assessment.",
        "No Coach model fits: envelope flap with glitter body, deer clasp and chain strap matches no catalog style in 4.2\/4.3",
        "Construction dates as modern fast-fashion, not 1975-2000 glove-tanned era",
        "Condition: Like New \/ Mint appearance in photos 1-3, but as generic synthetic bag with no collector value"
    ],
    "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": "Gold-tone chain strap and ornate deer-head clasp visible; no Coach engraving visible. The clasp is decorative rather than a Coach-style turnlock.",
        "leather_description": "White synthetic-looking smooth material on the flap and a blue\/black glitter or sequin-covered body; genuine leather is not established.",
        "lining_description": "White synthetic-looking interior visible in photo 4; no label or creed visible.",
        "strap_construction": "Gold-tone metal chain strap attached through metal eyelets; no leather shoulder strap visible.",
        "stitching_description": "Visible contrasting gold decorative stitching around the flap and perimeter; construction appears mass-produced, with no distinctive Coach construction cues."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.002,
    "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": 0.88,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a small shoulder\/crossbody handbag with a flap and chain strap"
                ],
                "negative_evidence": [
                    "photo 1: prominent deer-head decorative clasp is not a Coach horse-and-carriage mark or vintage Coach turnlock",
                    "photo 1: blue glitter\/sequin body and white synthetic-looking flap do not resemble vintage glove-tanned Coach leather",
                    "photo 4: interior appears synthetic and lacks a visible Coach creed, wordmark, or serial tag",
                    "photos 1-4: seller identifies the item as unbranded and provides no Coach-specific provenance"
                ],
                "missing_information": [
                    "Straight-on close-up of any interior labels, stamps, or sewn-in tags",
                    "Close-up of the clasp, zipper hardware, and chain attachment points",
                    "Dimensions and confirmation of the material composition"
                ],
                "authenticity_concerns": [
                    "photos 1-4: construction and decorative hardware are inconsistent with vintage Coach; this appears to be an unbranded fashion bag rather than a Coach lookalike with a missing identifier"
                ],
                "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": "Gold-tone chain strap and ornate deer-head clasp visible; no Coach engraving visible. The clasp is decorative rather than a Coach-style turnlock.",
                    "leather_description": "White synthetic-looking smooth material on the flap and a blue\/black glitter or sequin-covered body; genuine leather is not established.",
                    "lining_description": "White synthetic-looking interior visible in photo 4; no label or creed visible.",
                    "strap_construction": "Gold-tone metal chain strap attached through metal eyelets; no leather shoulder strap visible.",
                    "stitching_description": "Visible contrasting gold decorative stitching around the flap and perimeter; construction appears mass-produced, with no distinctive Coach construction cues."
                },
                "possible_model_reasoning": [
                    "The compact flap silhouette is a generic modern evening\/crossbody design and does not closely match a catalogued vintage Coach model.",
                    "The glitter\/sequin exterior, ornate deer clasp, and chain strap point to a contemporary unbranded fashion accessory, not a pre-2000 Coach leather handbag.",
                    "Condition: approximately Very Good to Excellent from the visible exterior, with no obvious major wear; the limited interior and hardware views prevent a complete condition assessment."
                ],
                "confidence": 0.94,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1, photo 2: glitter\/sequin body and novelty deer-antler clasp have no counterpart in Coach catalog; materials and hardware inconsistent with any Coach era",
                    "photo 4: thin bright plated chain and snap construction inconsistent with vintage Coach solid brass hardware"
                ],
                "authenticity_confidence": 0.01,
                "coach_probability": 0.01,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "no creed patch visible - interior shown in photo 4 with no stamped leather patch",
                    "no bottom, side, or scale views",
                    "no fabric content or made-in tag shown"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: blue glitter\/sequin body with white faux-leather flap - faux\/sequin materials Coach never used for vintage classics",
                    "photo 1: novelty deer\/antler clasp, not Coach turnlock geometry",
                    "photo 3, photo 4: thin bright gold-tone chain strap with eyelet attachment, plated and lightweight",
                    "photo 4: white synthetic lining, no creed patch, no zip pocket, no suede glove-tanned interior",
                    "photo 1-3: 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 thin chain strap and novelty deer-head with antlers clasp with tassel; snap eyelet for chain in photo 4; plated, lightweight appearance, not solid brass turnlock",
                    "leather_description": "white smooth faux-leather-look flap and blue glitter\/sequin body; no glove-tanned grain or patina visible in photo 1-3",
                    "lining_description": "white synthetic fabric lining visible in photo 4",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "white edge stitching plus decorative gold chevron stitch around flap in photo 1-2",
                    "strap_construction": "thin gold-tone metal chain shoulder strap attached through eyelets in photo 3-4, no leather shoulder strap",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: envelope flap with glitter body, deer clasp and chain strap matches no catalog style in 4.2\/4.3",
                    "Construction dates as modern fast-fashion, not 1975-2000 glove-tanned era",
                    "Condition: Like New \/ Mint appearance in photos 1-3, but as generic synthetic bag with no collector value"
                ],
                "possible_models": [],
                "recommended_max_bid": 5,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.01
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 24214,
            "output_tokens": 702,
            "total_tokens": 24916,
            "estimated_cost_usd": 0.01137
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 25183,
            "output_tokens": 1365,
            "total_tokens": 26548,
            "estimated_cost_usd": 0.006129
        }
    ]
}