Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.575,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.74,
    "recommended_max_bid": 7.5,
    "estimated_resale_low": 6.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: White glossy, heavily embossed material and a dark chain strap are inconsistent with classic vintage Coach glove-tanned leather construction.",
        "photo 1: The large polished D-shaped front clasp is not a recognizable vintage Coach turnlock and resembles a contemporary designer-inspired motif.",
        "photo 1: No legible Coach wordmark, horse-and-carriage mark, leather creed patch, hangtag, or serial\/style number is visible.",
        "photo 1: white croc-embossed material with sheen unlike vintage glove-tanned cowhide",
        "photo 1: gunmetal box-chain strap, never used on vintage Coach classics which use leather straps with brass dogleash clips",
        "photo 1: large polished D-shaped clasp, not Coach turnlock geometry",
        "photo 1: no COACH wordmark, horse-and-carriage, creed patch or leather hangtag visible",
        "photo 1: modern saddle-flap chain crossbody silhouette with no catalog match in Coach classics"
    ],
    "missing_information": [
        "photo 1: Interior, back, bottom, strap attachments, hardware close-ups, and any labels or tags are not shown.",
        "A straight-on close-up of the interior creed\/brand label and any fabric tag would be needed to investigate Coach attribution.",
        "photo 1 only: no interior, bottom, back, side views shown",
        "creed patch not shown - request interior back wall \/ slip pocket close-up",
        "hardware stamps \/ Made-in line not shown",
        "lining material not shown",
        "seller-stated dimensions and materials not provided"
    ],
    "authenticity_concerns": [
        "photo 1: The embossed exterior and oversized D-shaped clasp appear to be a modern unbranded or designer-inspired construction rather than a vintage Coach design.",
        "photo 1: Material appears synthetic or coated rather than visibly full-grain glove-tanned leather; this cannot be confirmed from the single exterior photo."
    ],
    "possible_model_reasoning": [
        "The silhouette is a small flap crossbody handbag, but the clasp, chain strap, embossed material, and lack of Coach identifiers do not support a Coach catalog model.",
        "Condition: appearance is approximately Very Good or better from the visible exterior, but interior, bottom, corners, and functional hardware are unassessed.",
        "No Coach identifier visible in photo 1; construction (chain strap, D-clasp, embossed white material) inconsistent with any vintage Coach line",
        "Silhouette resembles Dior Saddle-inspired fast-fashion crossbody, not City Bag \/ Dinky \/ Willis \/ Court \/ Station",
        "Condition: appears New from studio photo but only one exterior view, cannot grade corners, interior, strap"
    ],
    "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: Dark metal chain strap and polished oversized D-shaped front clasp; no vintage Coach-style turnlock is visible.",
        "leather_description": "photo 1: White glossy, heavily embossed or textured material; leather type is not confirmed.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Long chain-style shoulder\/crossbody strap, with leather or material interwoven through portions of the chain not clearly distinguishable.",
        "stitching_description": "photo 1: Dark, regular perimeter stitching is visible along the flap and body; construction details are limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0019,
    "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": 0.55,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: White glossy, heavily embossed material and a dark chain strap are inconsistent with classic vintage Coach glove-tanned leather construction.",
                    "photo 1: The large polished D-shaped front clasp is not a recognizable vintage Coach turnlock and resembles a contemporary designer-inspired motif.",
                    "photo 1: No legible Coach wordmark, horse-and-carriage mark, leather creed patch, hangtag, or serial\/style number is visible."
                ],
                "missing_information": [
                    "photo 1: Interior, back, bottom, strap attachments, hardware close-ups, and any labels or tags are not shown.",
                    "A straight-on close-up of the interior creed\/brand label and any fabric tag would be needed to investigate Coach attribution."
                ],
                "authenticity_concerns": [
                    "photo 1: The embossed exterior and oversized D-shaped clasp appear to be a modern unbranded or designer-inspired construction rather than a vintage Coach design.",
                    "photo 1: Material appears synthetic or coated rather than visibly full-grain glove-tanned leather; this cannot be confirmed from the single exterior photo."
                ],
                "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: Dark metal chain strap and polished oversized D-shaped front clasp; no vintage Coach-style turnlock is visible.",
                    "leather_description": "photo 1: White glossy, heavily embossed or textured material; leather type is not confirmed.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Long chain-style shoulder\/crossbody strap, with leather or material interwoven through portions of the chain not clearly distinguishable.",
                    "stitching_description": "photo 1: Dark, regular perimeter stitching is visible along the flap and body; construction details are limited."
                },
                "possible_model_reasoning": [
                    "The silhouette is a small flap crossbody handbag, but the clasp, chain strap, embossed material, and lack of Coach identifiers do not support a Coach catalog model.",
                    "Condition: appearance is approximately Very Good or better from the visible exterior, but interior, bottom, corners, and functional hardware are unassessed."
                ],
                "confidence": 0.63,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "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": 25,
                "estimated_resale_low": 8,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1 only: no interior, bottom, back, side views shown",
                    "creed patch not shown - request interior back wall \/ slip pocket close-up",
                    "hardware stamps \/ Made-in line not shown",
                    "lining material not shown",
                    "seller-stated dimensions and materials not provided"
                ],
                "negative_evidence": [
                    "photo 1: white croc-embossed material with sheen unlike vintage glove-tanned cowhide",
                    "photo 1: gunmetal box-chain strap, never used on vintage Coach classics which use leather straps with brass dogleash clips",
                    "photo 1: large polished D-shaped clasp, not Coach turnlock geometry",
                    "photo 1: no COACH wordmark, horse-and-carriage, creed patch or leather hangtag visible",
                    "photo 1: modern saddle-flap chain crossbody silhouette with no catalog match in Coach classics"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gunmetal-tone box chain strap and large polished D-shaped front clasp",
                    "leather_description": "white croc-embossed material with uniform emboss and slight sheen, appears synthetic \/ coated, not glove-tanned",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "fine edge stitching around flap perimeter, tone-on-tone",
                    "strap_construction": "thin gunmetal box-chain crossbody strap, no leather shoulder strap or brass hardware",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in photo 1; construction (chain strap, D-clasp, embossed white material) inconsistent with any vintage Coach line",
                    "Silhouette resembles Dior Saddle-inspired fast-fashion crossbody, not City Bag \/ Dinky \/ Willis \/ Court \/ Station",
                    "Condition: appears New from studio photo but only one exterior view, cannot grade corners, interior, strap"
                ],
                "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": 17060,
            "output_tokens": 648,
            "total_tokens": 17708,
            "estimated_cost_usd": 0.008379
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17446,
            "output_tokens": 1248,
            "total_tokens": 18694,
            "estimated_cost_usd": 0.004488
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}