Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.02,
    "vintage_probability": 0.45,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.76,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.895,
    "recommended_max_bid": 10,
    "estimated_resale_low": 11.5,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: small leather flap crossbody handbag form - same broad population where misidentified vintage hides, but no Coach-specific detail"
    ],
    "negative_evidence": [
        "photo 2: interior label clearly reads \u201cgoodspeed leather,\u201d identifying another brand rather than Coach.",
        "photo 1: bag has a small buckle closure and layered black contrast piping, not a recognizable vintage Coach turnlock configuration.",
        "photo 2: visible fabric-lined interior has no Coach creed patch or Coach wordmark.",
        "photo 3: exterior shows no Coach wordmark, horse-and-carriage, or recognizable Coach branding.",
        "photo 2: woven interior label reads 'goodspeed leather EUREKA SPRINGS ARKANSAS' - positive ID as non-Coach maker",
        "photo 2: light fabric lining with zip pocket, not unlined glove-tanned suede-back Coach classic interior",
        "photo 1: buckle-strap closure, not Coach turnlock geometry",
        "photo 1, photo 3: pebbled brown leather with black contrast edge trim, tone-on-tone mismatch vs vintage Coach classics",
        "photo 1-3: no creed patch, no COACH wordmark, no leather hangtag visible"
    ],
    "missing_information": [
        "photo 1-3: bottom, strap ends, and hardware close-ups are not fully shown.",
        "photo 1-3: no additional interior pockets or hidden labels are shown.",
        "Seller-stated material is leather, but exact construction and dimensions are not independently verified.",
        "bottom and corners not shown for condition grading",
        "strap buckle holes and full strap length not shown",
        "exterior dimensions not stated"
    ],
    "authenticity_concerns": [
        "photo 2: the visible Goodspeed Leather label is inconsistent with Coach manufacture; this appears to be a non-Coach branded bag rather than a Coach bag or a simple unbranded misidentification.",
        "photo 2: interior fabric label identifies maker as Goodspeed Leather, not Coach",
        "photo 1-3: no Coach creed, wordmark, hangtag or horse-and-carriage visible"
    ],
    "possible_model_reasoning": [
        "photo 2: the Goodspeed Leather label rules against identifying this as a Coach model; no Coach model is proposed.",
        "Condition: Good to Very Good; visible creasing and surface wear are present on the leather (photos 1 and 3), while major structural damage is not evident. Interior and all corners are not fully documented.",
        "Goodspeed Leather crossbody, not a Coach catalog style; interior brand label positively IDs alternate maker",
        "No creed, no serial, no turnlock, fabric-lined and silver-tone hardware inconsistent with 1970s-1990s Coach classics",
        "Condition: Very Good; leather intact with normal creasing (photo 3), flap underside shows light wear spot (photo 1), interior looks clean (photo 2), bottom\/corners unshown so capped"
    ],
    "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 buckle closure and small metal strap rings are visible; no Coach-marked hardware is visible.",
        "leather_description": "photos 1 and 3: brown\/red-brown pebbled leather or leather-like material with black contrast piping; visible surface creasing and wear.",
        "lining_description": "photo 2: light beige fabric lining is visible, with a sewn Goodspeed Leather label and zippered pocket.",
        "strap_construction": "photos 1 and 3: adjustable shoulder strap with metal rings and buckle-style attachment; portions of the strap are visible.",
        "stitching_description": "photos 1-3: contrasting light stitching appears generally even; detailed stress-point stitching is not fully visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0021,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.35,
                "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: interior label clearly reads \u201cgoodspeed leather,\u201d identifying another brand rather than Coach.",
                    "photo 1: bag has a small buckle closure and layered black contrast piping, not a recognizable vintage Coach turnlock configuration.",
                    "photo 2: visible fabric-lined interior has no Coach creed patch or Coach wordmark.",
                    "photo 3: exterior shows no Coach wordmark, horse-and-carriage, or recognizable Coach branding."
                ],
                "missing_information": [
                    "photo 1-3: bottom, strap ends, and hardware close-ups are not fully shown.",
                    "photo 1-3: no additional interior pockets or hidden labels are shown.",
                    "Seller-stated material is leather, but exact construction and dimensions are not independently verified."
                ],
                "authenticity_concerns": [
                    "photo 2: the visible Goodspeed Leather label is inconsistent with Coach manufacture; this appears to be a non-Coach branded bag rather than a Coach bag or a simple unbranded misidentification."
                ],
                "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 buckle closure and small metal strap rings are visible; no Coach-marked hardware is visible.",
                    "leather_description": "photos 1 and 3: brown\/red-brown pebbled leather or leather-like material with black contrast piping; visible surface creasing and wear.",
                    "lining_description": "photo 2: light beige fabric lining is visible, with a sewn Goodspeed Leather label and zippered pocket.",
                    "strap_construction": "photos 1 and 3: adjustable shoulder strap with metal rings and buckle-style attachment; portions of the strap are visible.",
                    "stitching_description": "photos 1-3: contrasting light stitching appears generally even; detailed stress-point stitching is not fully visible."
                },
                "possible_model_reasoning": [
                    "photo 2: the Goodspeed Leather label rules against identifying this as a Coach model; no Coach model is proposed.",
                    "Condition: Good to Very Good; visible creasing and surface wear are present on the leather (photos 1 and 3), while major structural damage is not evident. Interior and all corners are not fully documented."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 8,
                "estimated_resale_low": 8,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 2: interior fabric label identifies maker as Goodspeed Leather, not Coach",
                    "photo 1-3: no Coach creed, wordmark, hangtag or horse-and-carriage visible"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "bottom and corners not shown for condition grading",
                    "strap buckle holes and full strap length not shown",
                    "exterior dimensions not stated"
                ],
                "negative_evidence": [
                    "photo 2: woven interior label reads 'goodspeed leather EUREKA SPRINGS ARKANSAS' - positive ID as non-Coach maker",
                    "photo 2: light fabric lining with zip pocket, not unlined glove-tanned suede-back Coach classic interior",
                    "photo 1: buckle-strap closure, not Coach turnlock geometry",
                    "photo 1, photo 3: pebbled brown leather with black contrast edge trim, tone-on-tone mismatch vs vintage Coach classics",
                    "photo 1-3: no creed patch, no COACH wordmark, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone buckle closure on front tab (photo 1); thin strap rings; no brass turnlock, no COACH stamping visible",
                    "leather_description": "pebbled medium-brown leather with black contrast edge binding\/trim, soft slouchy hand (photo 1, photo 3)",
                    "lining_description": "light beige fabric lining with interior zip pocket visible (photo 2); flap underside suede-like brown (photo 1)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrast stitching on strap, edge binding visible; no tight tone-matched Coach classic stitching observed",
                    "strap_construction": "thin adjustable crossbody shoulder strap in matching brown leather (photo 3)",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: small leather flap crossbody handbag form - same broad population where misidentified vintage hides, but no Coach-specific detail"
                ],
                "possible_model_reasoning": [
                    "Goodspeed Leather crossbody, not a Coach catalog style; interior brand label positively IDs alternate maker",
                    "No creed, no serial, no turnlock, fabric-lined and silver-tone hardware inconsistent with 1970s-1990s Coach classics",
                    "Condition: Very Good; leather intact with normal creasing (photo 3), flap underside shows light wear spot (photo 1), interior looks clean (photo 2), bottom\/corners unshown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.55
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16395,
            "output_tokens": 686,
            "total_tokens": 17081,
            "estimated_cost_usd": 0.008204
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16702,
            "output_tokens": 1541,
            "total_tokens": 18243,
            "estimated_cost_usd": 0.004573
        }
    ]
}