Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.01,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.8,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.91,
    "recommended_max_bid": 9,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the bag has an all-over diamond and circular monogram pattern rather than a documented Coach Signature C pattern or visible Coach branding.",
        "photo 4: the attached paper tag shows Chinese text and model number 6826#, not a Coach creed, style tag, or Coach wordmark.",
        "photo 4: the bag is shown with protective plastic on the hardware and packaged straps, consistent with a new generic or mass-market bag.",
        "photo 5: the interior side view shows a dark synthetic-looking lining and construction but no Coach label or creed.",
        "photos 1-6: no legible COACH wordmark, horse-and-carriage mark, creed patch, Coach hangtag, or Coach serial\/style number is visible.",
        "photo 1,4,5: brown\/black diamond checkerboard coated canvas is not Coach Signature C pairing\/alignment",
        "photo 1,4: bright gold-tone plated rectangular bar clasp, not vintage solid-brass Coach turnlock geometry",
        "photo 4,5: new-in-plastic hardware film and bagged strap plus foam-wrapped handle indicates new fast-fashion stock",
        "photo 5: white factory hangtag with Chinese characters '6826#' brown color, not Coach creed\/hangtag",
        "photo 1-6: no COACH wordmark, no horse-and-carriage, no leather creed patch, no leather hangtag visible",
        "photo 6: thin synthetic edge-painted construction and dark synthetic lining, not unlined glove-tanned suede"
    ],
    "missing_information": [
        "photo 5: a straight-on view of the complete interior and every interior label or sewn-in tag.",
        "photo 1: close-ups of all hardware, zipper pulls, and any hidden branding.",
        "photo 4: verification of the material composition; the photos do not establish that the exterior is genuine leather rather than coated fabric or synthetic material.",
        "seller-stated dimensions and country of manufacture are not provided.",
        "photo 6: interior emptied view not shown, no creed patch visible to verify",
        "photo 4-5: no Coach wordmark, horse-and-carriage, creed or fabric tag visible",
        "photo 4: hardware engravings \/ zipper brand not shown"
    ],
    "authenticity_concerns": [
        "photos 1-6: the prominent non-Coach monogram and unbranded presentation are consistent with a generic or brand-evoking bag, not a vintage Coach product.",
        "photo 4: the Chinese factory-style model tag and number 6826# do not correspond to a visible Coach identification system.",
        "photos 1 and 4: bright, highly polished gold-tone hardware and protective plastic are inconsistent with a vintage Coach handbag and support a modern non-Coach classification."
    ],
    "possible_model_reasoning": [
        "The structured flap, top handle, and detachable shoulder strap identify this as a modern handbag, but its silhouette alone is not sufficient to match a Coach model.",
        "The geometric monogram and Chinese model tag do not match the Coach Signature C canvas system or a documented Coach creed\/style-number presentation.",
        "Condition: appears new or unused based on protective plastic and attached paper tag; interior and odor condition remain unverified.",
        "No Coach silhouette, hardware, leather, or identifier matches; diamond-print top-handle flap bag is generic modern fast-fashion, not a catalog Coach style",
        "Condition: New (NWT) - tags attached, plastic on hardware and strap, no wear visible in photos 4-6"
    ],
    "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: bright gold-tone rectangular clasp and gold-tone strap clips are visible; hardware is partly covered by protective plastic in photos 1 and 4. No Coach engraving is visible.",
        "leather_description": "photos 1-6: brown trim appears smooth and coated or synthetic; the patterned body appears coated canvas or synthetic material. Genuine leather cannot be confirmed from the photos.",
        "lining_description": "photo 5: dark interior lining or interior material is visible, but its composition and labels are not legible.",
        "strap_construction": "photos 1-4: one short top handle and one long detachable shoulder strap with small gold-tone clips are visible; the spare\/long strap is packaged in photo 4.",
        "stitching_description": "photos 1, 4, and 5: machine stitching appears generally regular and contrasting along the brown trim; no distinctive Coach construction feature is visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0016,
    "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": 0.9,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag has an all-over diamond and circular monogram pattern rather than a documented Coach Signature C pattern or visible Coach branding.",
                    "photo 4: the attached paper tag shows Chinese text and model number 6826#, not a Coach creed, style tag, or Coach wordmark.",
                    "photo 4: the bag is shown with protective plastic on the hardware and packaged straps, consistent with a new generic or mass-market bag.",
                    "photo 5: the interior side view shows a dark synthetic-looking lining and construction but no Coach label or creed.",
                    "photos 1-6: no legible COACH wordmark, horse-and-carriage mark, creed patch, Coach hangtag, or Coach serial\/style number is visible."
                ],
                "missing_information": [
                    "photo 5: a straight-on view of the complete interior and every interior label or sewn-in tag.",
                    "photo 1: close-ups of all hardware, zipper pulls, and any hidden branding.",
                    "photo 4: verification of the material composition; the photos do not establish that the exterior is genuine leather rather than coated fabric or synthetic material.",
                    "seller-stated dimensions and country of manufacture are not provided."
                ],
                "authenticity_concerns": [
                    "photos 1-6: the prominent non-Coach monogram and unbranded presentation are consistent with a generic or brand-evoking bag, not a vintage Coach product.",
                    "photo 4: the Chinese factory-style model tag and number 6826# do not correspond to a visible Coach identification system.",
                    "photos 1 and 4: bright, highly polished gold-tone hardware and protective plastic are inconsistent with a vintage Coach handbag and support a modern non-Coach classification."
                ],
                "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: bright gold-tone rectangular clasp and gold-tone strap clips are visible; hardware is partly covered by protective plastic in photos 1 and 4. No Coach engraving is visible.",
                    "leather_description": "photos 1-6: brown trim appears smooth and coated or synthetic; the patterned body appears coated canvas or synthetic material. Genuine leather cannot be confirmed from the photos.",
                    "lining_description": "photo 5: dark interior lining or interior material is visible, but its composition and labels are not legible.",
                    "strap_construction": "photos 1-4: one short top handle and one long detachable shoulder strap with small gold-tone clips are visible; the spare\/long strap is packaged in photo 4.",
                    "stitching_description": "photos 1, 4, and 5: machine stitching appears generally regular and contrasting along the brown trim; no distinctive Coach construction feature is visible."
                },
                "possible_model_reasoning": [
                    "The structured flap, top handle, and detachable shoulder strap identify this as a modern handbag, but its silhouette alone is not sufficient to match a Coach model.",
                    "The geometric monogram and Chinese model tag do not match the Coach Signature C canvas system or a documented Coach creed\/style-number presentation.",
                    "Condition: appears new or unused based on protective plastic and attached paper tag; interior and odor condition remain unverified."
                ],
                "confidence": 0.94,
                "recommended_max_bid": 8,
                "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": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 6: interior emptied view not shown, no creed patch visible to verify",
                    "photo 4-5: no Coach wordmark, horse-and-carriage, creed or fabric tag visible",
                    "photo 4: hardware engravings \/ zipper brand not shown"
                ],
                "negative_evidence": [
                    "photo 1,4,5: brown\/black diamond checkerboard coated canvas is not Coach Signature C pairing\/alignment",
                    "photo 1,4: bright gold-tone plated rectangular bar clasp, not vintage solid-brass Coach turnlock geometry",
                    "photo 4,5: new-in-plastic hardware film and bagged strap plus foam-wrapped handle indicates new fast-fashion stock",
                    "photo 5: white factory hangtag with Chinese characters '6826#' brown color, not Coach creed\/hangtag",
                    "photo 1-6: no COACH wordmark, no horse-and-carriage, no leather creed patch, no leather hangtag visible",
                    "photo 6: thin synthetic edge-painted construction and dark synthetic lining, not unlined glove-tanned suede"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated bar\/push clasp on flap, gold-tone D-rings and clips; thin, shiny plating with plastic protective film still on in photo 4",
                    "leather_description": "brown\/black diamond-check coated canvas body with smooth brown faux-leather trim; no glove-tanned grain or patina visible",
                    "lining_description": "not_visible - interior dark in photo 6 side view but lining material not shown",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even machine stitching in tan contrast thread around flap and trim, visible in photos 1,4,5",
                    "strap_construction": "short top handle with wrapped ends plus detachable long crossbody strap with gold-tone clips, strap still in plastic in photos 4-5",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach silhouette, hardware, leather, or identifier matches; diamond-print top-handle flap bag is generic modern fast-fashion, not a catalog Coach style",
                    "Condition: New (NWT) - tags attached, plastic on hardware and strap, no wear visible in photos 4-6"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.01
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 23763,
            "output_tokens": 832,
            "total_tokens": 24595,
            "estimated_cost_usd": 0.011502
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 24612,
            "output_tokens": 1212,
            "total_tokens": 25824,
            "estimated_cost_usd": 0.005892
        }
    ]
}