Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.76,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.875,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 2: exterior shows a small modern crossbody with multiple zip compartments and a contemporary decorative front clasp, not a recognizable vintage Coach silhouette.",
        "photo 3: material has a uniform pebbled synthetic appearance consistent with the seller's stated faux leather.",
        "photo 1: multiple bright gold-tone zipper teeth and hardware appear modern and plated rather than vintage solid-brass Coach construction.",
        "photos 2-6: no legible COACH wordmark, horse-and-carriage, creed patch, serial\/style number, or Coach hangtag is visible.",
        "photo 1: open top view shows double zip compartments with dark fabric lining, not unlined glove-tanned suede",
        "photo 3: black pebbled faux-looking material with bright gold-tone plated zippers and decorative horsebit applique, not solid brass turnlock construction",
        "photo 2, photo 4: small double-zip dome crossbody silhouette with thin adjustable strap, no catalog Coach classic shape, no turnlock, no hangtag",
        "seller states Faux Leather - faux\/PU material gives coach_probability <=0.05 per procedure"
    ],
    "missing_information": [
        "photo 1: interior and any sewn-in labels or creed patch are not shown.",
        "photo 1: zipper-pull markings and interior lining cannot be assessed.",
        "photo 1: underside, corners, strap attachment points, and full strap condition are not shown.",
        "photo 1: interior shows fabric lining but no creed patch visible - creed close-up would confirm absence",
        "photo 3: no COACH wordmark or horse-and-carriage visible on hardware or trim - hardware stamp close-up would confirm",
        "photo 2: no leather hangtag visible - confirms no Coach hangtag"
    ],
    "authenticity_concerns": [
        "photos 2-6: the bag's faux-leather construction and generic modern design are inconsistent with the classic glove-tanned leather vintage Coach population.",
        "photos 2-6: no Coach identifier is visible; this appears to be a generic non-Coach bag rather than an unidentified vintage Coach item."
    ],
    "possible_model_reasoning": [
        "photo 2: approximately 8 by 5 inches based on photos 5-6, with a compact rectangular multi-zip crossbody format; no Coach catalog model is supported.",
        "Condition: approximately Very Good based on the visible exterior, with no major wear apparent; interior, odor, lining, and underside condition are unknown.",
        "No Coach identifier visible in any of 6 photos: no creed patch, no COACH wordmark, no hangtag, no solid brass turnlock",
        "Construction is inconsistent with vintage Coach: faux leather, fabric lining, double-zip closure, plated hardware, horsebit decoration",
        "Silhouette does not match any classic catalog style (Willis, Court, Station, Dinky, etc.) in size, closure or strap",
        "Condition: Good to Very Good as modern used bag; light wear only, zippers appear working (photo 1), no corner wear shown"
    ],
    "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": "photos 1-6: gold-tone plated-looking zipper teeth, zipper pulls, strap rings, and a decorative linked front fitting; no Coach engraving visible.",
        "leather_description": "photos 2-6: black uniform pebbled faux-leather or synthetic material, consistent with the seller's description.",
        "lining_description": "dark fabric lining visible in photo 1 interior compartments",
        "strap_construction": "photos 2 and 4: thin adjustable black shoulder strap attached with small gold-tone rings and clasps; strap appears synthetic.",
        "stitching_description": "photos 2-6: visible machine stitching and piped edges appear generally even; construction is modern-looking, but detailed stress-point stitching is not fully visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0007,
    "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": 0.82,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 2: exterior shows a small modern crossbody with multiple zip compartments and a contemporary decorative front clasp, not a recognizable vintage Coach silhouette.",
                    "photo 3: material has a uniform pebbled synthetic appearance consistent with the seller's stated faux leather.",
                    "photo 1: multiple bright gold-tone zipper teeth and hardware appear modern and plated rather than vintage solid-brass Coach construction.",
                    "photos 2-6: no legible COACH wordmark, horse-and-carriage, creed patch, serial\/style number, or Coach hangtag is visible."
                ],
                "missing_information": [
                    "photo 1: interior and any sewn-in labels or creed patch are not shown.",
                    "photo 1: zipper-pull markings and interior lining cannot be assessed.",
                    "photo 1: underside, corners, strap attachment points, and full strap condition are not shown."
                ],
                "authenticity_concerns": [
                    "photos 2-6: the bag's faux-leather construction and generic modern design are inconsistent with the classic glove-tanned leather vintage Coach population.",
                    "photos 2-6: no Coach identifier is visible; this appears to be a generic non-Coach bag rather than an unidentified vintage Coach item."
                ],
                "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": "photos 1-6: gold-tone plated-looking zipper teeth, zipper pulls, strap rings, and a decorative linked front fitting; no Coach engraving visible.",
                    "leather_description": "photos 2-6: black uniform pebbled faux-leather or synthetic material, consistent with the seller's description.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 2 and 4: thin adjustable black shoulder strap attached with small gold-tone rings and clasps; strap appears synthetic.",
                    "stitching_description": "photos 2-6: visible machine stitching and piped edges appear generally even; construction is modern-looking, but detailed stress-point stitching is not fully visible."
                },
                "possible_model_reasoning": [
                    "photo 2: approximately 8 by 5 inches based on photos 5-6, with a compact rectangular multi-zip crossbody format; no Coach catalog model is supported.",
                    "Condition: approximately Very Good based on the visible exterior, with no major wear apparent; interior, odor, lining, and underside condition are unknown."
                ],
                "confidence": 0.87,
                "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": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1: interior shows fabric lining but no creed patch visible - creed close-up would confirm absence",
                    "photo 3: no COACH wordmark or horse-and-carriage visible on hardware or trim - hardware stamp close-up would confirm",
                    "photo 2: no leather hangtag visible - confirms no Coach hangtag"
                ],
                "negative_evidence": [
                    "photo 1: open top view shows double zip compartments with dark fabric lining, not unlined glove-tanned suede",
                    "photo 3: black pebbled faux-looking material with bright gold-tone plated zippers and decorative horsebit applique, not solid brass turnlock construction",
                    "photo 2, photo 4: small double-zip dome crossbody silhouette with thin adjustable strap, no catalog Coach classic shape, no turnlock, no hangtag",
                    "seller states Faux Leather - faux\/PU material gives coach_probability <=0.05 per procedure"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone double top zippers with rectangular pulls, decorative horsebit bar on front, buckle-adjustable strap hardware; plated appearance, not solid brass vintage hardware",
                    "leather_description": "black pebbled grain faux leather as seller states; uniform coated appearance, not glove-tanned cowhide",
                    "lining_description": "dark fabric lining visible in photo 1 interior compartments",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "edge stitching visible around panels, even but not examined in close-up; no evidence of vintage Coach stitching",
                    "strap_construction": "thin flat adjustable crossbody strap with buckle slide, attached at sides",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any of 6 photos: no creed patch, no COACH wordmark, no hangtag, no solid brass turnlock",
                    "Construction is inconsistent with vintage Coach: faux leather, fabric lining, double-zip closure, plated hardware, horsebit decoration",
                    "Silhouette does not match any classic catalog style (Willis, Court, Station, Dinky, etc.) in size, closure or strap",
                    "Condition: Good to Very Good as modern used bag; light wear only, zippers appear working (photo 1), no corner wear shown"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17710,
            "output_tokens": 702,
            "total_tokens": 18412,
            "estimated_cost_usd": 0.008769
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18050,
            "output_tokens": 1206,
            "total_tokens": 19256,
            "estimated_cost_usd": 0.004575
        }
    ]
}