Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.375,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.775,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.865,
    "recommended_max_bid": 11,
    "estimated_resale_low": 10,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Exterior is highly glossy patent-like material, unlike the glove-tanned leather typical of classic vintage Coach.",
        "photo 3: Interior visibly bears the generic wording \"GENUINE LEATHER LINING,\" not a Coach creed or Coach wordmark.",
        "photo 1: The bag has a structured frame\/kiss-lock style and dual handles, but no visible Coach-specific identifier.",
        "photo 2: No Coach wordmark, horse-and-carriage mark, or leather Coach hangtag is visible.",
        "photo 5: Base hardware and construction appear generic; no Coach-specific stamps are visible.",
        "photo 1, photo 2: glossy black patent leather exterior inconsistent with vintage Coach glove-tanned cowhide",
        "photo 3, photo 4: interior stamp reads GENUINE LEATHER LINING, not a Coach creed with No. serial",
        "photo 1, photo 2, photo 3: kiss-lock frame closure, not Coach turnlock; turnlock absent",
        "photo 1-5: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible",
        "photo 3, photo 4: tan leather lining with center zip pocket and no creed patch on back wall or slip pocket"
    ],
    "missing_information": [
        "photo 3: A closer, straight-on photograph of the entire interior and any hidden labels or tags.",
        "photo 3: Close-ups of the zipper pull, frame closure, and any maker marks on hardware.",
        "photo 1: Close-up photographs of all exterior sides, handle attachments, and seams.",
        "No Coach creed patch, wordmark, hangtag or hardware stamp visible in any photo",
        "No maker label beyond GENUINE LEATHER LINING stamp (photo 3)",
        "No close-up of zipper pull brand or frame hardware marks"
    ],
    "authenticity_concerns": [
        "photo 1: Patent-like glossy exterior and generic frame construction are inconsistent with the classic unlined glove-tanned leather Coach styles this listing evokes.",
        "photo 3: The generic \"GENUINE LEATHER LINING\" stamp is not a Coach creed and provides no Coach provenance.",
        "photo 1: The seller's 50s\/60s dating is unsupported by a visible maker label, Coach identifier, or period-specific Coach construction."
    ],
    "possible_model_reasoning": [
        "photo 1: The rectangular framed handbag silhouette does not closely match the listed classic Coach models; no Coach model can be responsibly assigned.",
        "photo 3: The visible generic lining statement and absence of a creed or serial substantially favor a non-Coach vintage-style handbag.",
        "Condition: Very Good based on generally intact structure and clean-looking interior in photos 1-5, with visible creasing\/reflections in the glossy exterior; odor, hidden wear, and material condition remain unknown.",
        "No Coach silhouette match: structured patent kiss-frame tote with dual fixed straps does not correspond to catalog City Bag, Willis, Court, Station, Duffle or Cashin kisslock styles in leather, hardware and lining",
        "Era reasoning: patent frame purse marketed as 50s\/60s style but no Cashin fabric label, metal tag, striped lining or NYC creed to support pre-1975 Coach",
        "Condition: Excellent vintage-appearing; glossy exterior intact, clean tan lining (photo 3), working frame closure, base with light scuffs (photo 5)"
    ],
    "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: Small gold-tone semicircular frame clasp and small gold-tone handle attachment hardware are visible; no brand engraving is legible.",
        "leather_description": "photo 1: Highly glossy black patent-like exterior; exact material cannot be confirmed from photos. It does not visibly resemble matte glove-tanned Coach leather.",
        "lining_description": "photo 3: Beige\/tan fabric or synthetic-looking interior with a zippered pocket and the printed\/stamped wording \"GENUINE LEATHER LINING.\"",
        "strap_construction": "photos 1-2: Two glossy black shoulder handles attached directly to the bag with small metal fittings; construction appears generic.",
        "stitching_description": "photos 1-5: Basic visible perimeter stitching appears generally even, but close-up stitch quality and interior construction are not fully assessable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0025,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.35,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.9,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Exterior is highly glossy patent-like material, unlike the glove-tanned leather typical of classic vintage Coach.",
                    "photo 3: Interior visibly bears the generic wording \"GENUINE LEATHER LINING,\" not a Coach creed or Coach wordmark.",
                    "photo 1: The bag has a structured frame\/kiss-lock style and dual handles, but no visible Coach-specific identifier.",
                    "photo 2: No Coach wordmark, horse-and-carriage mark, or leather Coach hangtag is visible.",
                    "photo 5: Base hardware and construction appear generic; no Coach-specific stamps are visible."
                ],
                "missing_information": [
                    "photo 3: A closer, straight-on photograph of the entire interior and any hidden labels or tags.",
                    "photo 3: Close-ups of the zipper pull, frame closure, and any maker marks on hardware.",
                    "photo 1: Close-up photographs of all exterior sides, handle attachments, and seams."
                ],
                "authenticity_concerns": [
                    "photo 1: Patent-like glossy exterior and generic frame construction are inconsistent with the classic unlined glove-tanned leather Coach styles this listing evokes.",
                    "photo 3: The generic \"GENUINE LEATHER LINING\" stamp is not a Coach creed and provides no Coach provenance.",
                    "photo 1: The seller's 50s\/60s dating is unsupported by a visible maker label, Coach identifier, or period-specific Coach construction."
                ],
                "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: Small gold-tone semicircular frame clasp and small gold-tone handle attachment hardware are visible; no brand engraving is legible.",
                    "leather_description": "photo 1: Highly glossy black patent-like exterior; exact material cannot be confirmed from photos. It does not visibly resemble matte glove-tanned Coach leather.",
                    "lining_description": "photo 3: Beige\/tan fabric or synthetic-looking interior with a zippered pocket and the printed\/stamped wording \"GENUINE LEATHER LINING.\"",
                    "strap_construction": "photos 1-2: Two glossy black shoulder handles attached directly to the bag with small metal fittings; construction appears generic.",
                    "stitching_description": "photos 1-5: Basic visible perimeter stitching appears generally even, but close-up stitch quality and interior construction are not fully assessable."
                },
                "possible_model_reasoning": [
                    "photo 1: The rectangular framed handbag silhouette does not closely match the listed classic Coach models; no Coach model can be responsibly assigned.",
                    "photo 3: The visible generic lining statement and absence of a creed or serial substantially favor a non-Coach vintage-style handbag.",
                    "Condition: Very Good based on generally intact structure and clean-looking interior in photos 1-5, with visible creasing\/reflections in the glossy exterior; odor, hidden wear, and material condition remain unknown."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 10,
                "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": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach creed patch, wordmark, hangtag or hardware stamp visible in any photo",
                    "No maker label beyond GENUINE LEATHER LINING stamp (photo 3)",
                    "No close-up of zipper pull brand or frame hardware marks"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: glossy black patent leather exterior inconsistent with vintage Coach glove-tanned cowhide",
                    "photo 3, photo 4: interior stamp reads GENUINE LEATHER LINING, not a Coach creed with No. serial",
                    "photo 1, photo 2, photo 3: kiss-lock frame closure, not Coach turnlock; turnlock absent",
                    "photo 1-5: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible",
                    "photo 3, photo 4: tan leather lining with center zip pocket and no creed patch on back wall or slip pocket"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone kiss-lock frame clasp at top center and four small base studs; strap anchor rivets gold-tone; zipper with small metal pull inside",
                    "leather_description": "black high-gloss patent leather exterior with structured finish; tan\/beige smooth leather interior lining",
                    "lining_description": "tan\/beige genuine leather lining with single zip pocket, stamped GENUINE LEATHER LINING above zip (photo 3)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "thin light-colored top-edge stitching visible on front panel; otherwise not clearly visible due to gloss and distance",
                    "strap_construction": "dual fixed shoulder straps in matching black patent leather, attached with rivets to body",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach silhouette match: structured patent kiss-frame tote with dual fixed straps does not correspond to catalog City Bag, Willis, Court, Station, Duffle or Cashin kisslock styles in leather, hardware and lining",
                    "Era reasoning: patent frame purse marketed as 50s\/60s style but no Cashin fabric label, metal tag, striped lining or NYC creed to support pre-1975 Coach",
                    "Condition: Excellent vintage-appearing; glossy exterior intact, clean tan lining (photo 3), working frame closure, base with light scuffs (photo 5)"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.4
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17459,
            "output_tokens": 781,
            "total_tokens": 18240,
            "estimated_cost_usd": 0.008858
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17797,
            "output_tokens": 1427,
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}