Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.03,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.785,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.88,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the bag has a large abstract repeating motif rather than recognizable Coach paired-C Signature canvas.",
        "photo 2: the repeating print is not visibly mirror-aligned or composed of standard Coach paired Cs.",
        "photos 1-3: bright silver-tone hardware and extensive synthetic-looking trim are inconsistent with classic vintage Coach construction.",
        "photos 4-6: the bag is fabric-lined with shiny brown synthetic-looking lining, not an unlined glove-tanned vintage Coach interior.",
        "photos 1-6: no legible Coach wordmark, horse-and-carriage, creed, style number, or hangtag is visible.",
        "photo 1, photo 2, photo 3: no COACH wordmark or horse-and-carriage visible on exterior, hardware or hangtag",
        "photo 1, photo 2, photo 3: all-over large C-like print with incorrect scale, pairing and alignment vs Coach Signature C requirement for mirror symmetry and paired touching Cs",
        "photo 4, photo 5, photo 6: shiny brown polyester satin lining, not unlined glove-tanned suede or Coach woven lining",
        "photo 1-3: silver-tone thin O-rings, buckles and zippers, not solid brass vintage Coach hardware",
        "photo 1-3: dark brown trim with white contrast stitching and sheen suggesting faux\/PU leather, not glove-tanned cowhide",
        "photo 4, photo 5, photo 6: no leather creed patch visible on interior walls in three interior views",
        "photo 1, photo 2, photo 3: no leather hangtag present"
    ],
    "missing_information": [
        "photo 1-6: no straight-on interior-wall photo showing whether a brand label or creed patch is present.",
        "photo 1-6: no close-up of zipper pulls or hardware engravings.",
        "photo 1-6: material composition and country-of-origin tag are not shown.",
        "No creed patch or fabric tag shown in close-up - request straight-on interior pocket photo to confirm absence",
        "No hardware brand stamps shown - request zipper pull and buckle markings",
        "No bottom, side and corner close-ups to finalize condition grade"
    ],
    "authenticity_concerns": [
        "photos 1-3: the abstract C-like\/curved motif appears to be a generic logo-evoking pattern rather than Coach Signature canvas.",
        "photos 1-6: the lined textile construction, silver-tone hardware, and synthetic-looking trim do not consistently match a vintage Coach classic.",
        "photo 1, photo 2, photo 3: oversized C-like motifs are not paired touching Coach Cs and are randomly scaled and cut off - generic monogram, not Coach Signature C",
        "photo 1-3: C-like print bag listed as Unbranded with polyester lining and faux-leather trim fits mass-market lookalike profile"
    ],
    "possible_model_reasoning": [
        "No Coach model fits: silhouette is a multi-compartment zip-top fabric tote with exterior zip pocket and O-ring straps, not a catalog glove-tanned classic; C-like print is generic, not Coach Signature C",
        "Era reasoning: synthetic materials, polyester lining, silver hardware and generic print indicate modern 2000s+ non-Coach manufacture",
        "Condition: Very Good to Excellent appearance in photos - exterior print clean, trim intact, lining clean; capped by no bottom\/corner close-ups and no odor\/mold assessment"
    ],
    "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: silver-tone rings, buckles, zipper pulls, and strap hardware; no visible branding.",
        "leather_description": "photos 1-6: brown\/black coated-looking trim and handles around a woven textile body; genuine leather is not established.",
        "lining_description": "photos 4-6: shiny brown textile lining with multiple zippered compartments.",
        "strap_construction": "photos 1-3: two wide fixed shoulder straps attached through rings, plus side buckle-detail straps; synthetic-looking coated trim.",
        "stitching_description": "photos 1-6: contrasting light stitching is visible and generally even, but it does not provide Coach-specific evidence."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0027,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.92,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag has a large abstract repeating motif rather than recognizable Coach paired-C Signature canvas.",
                    "photo 2: the repeating print is not visibly mirror-aligned or composed of standard Coach paired Cs.",
                    "photos 1-3: bright silver-tone hardware and extensive synthetic-looking trim are inconsistent with classic vintage Coach construction.",
                    "photos 4-6: the bag is fabric-lined with shiny brown synthetic-looking lining, not an unlined glove-tanned vintage Coach interior.",
                    "photos 1-6: no legible Coach wordmark, horse-and-carriage, creed, style number, or hangtag is visible."
                ],
                "missing_information": [
                    "photo 1-6: no straight-on interior-wall photo showing whether a brand label or creed patch is present.",
                    "photo 1-6: no close-up of zipper pulls or hardware engravings.",
                    "photo 1-6: material composition and country-of-origin tag are not shown."
                ],
                "authenticity_concerns": [
                    "photos 1-3: the abstract C-like\/curved motif appears to be a generic logo-evoking pattern rather than Coach Signature canvas.",
                    "photos 1-6: the lined textile construction, silver-tone hardware, and synthetic-looking trim do not consistently match a vintage Coach classic."
                ],
                "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: silver-tone rings, buckles, zipper pulls, and strap hardware; no visible branding.",
                    "leather_description": "photos 1-6: brown\/black coated-looking trim and handles around a woven textile body; genuine leather is not established.",
                    "lining_description": "photos 4-6: shiny brown textile lining with multiple zippered compartments.",
                    "strap_construction": "photos 1-3: two wide fixed shoulder straps attached through rings, plus side buckle-detail straps; synthetic-looking coated trim.",
                    "stitching_description": "photos 1-6: contrasting light stitching is visible and generally even, but it does not provide Coach-specific evidence."
                },
                "possible_model_reasoning": [],
                "confidence": 0.91,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1, photo 2, photo 3: oversized C-like motifs are not paired touching Coach Cs and are randomly scaled and cut off - generic monogram, not Coach Signature C",
                    "photo 1-3: C-like print bag listed as Unbranded with polyester lining and faux-leather trim fits mass-market lookalike profile"
                ],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No creed patch or fabric tag shown in close-up - request straight-on interior pocket photo to confirm absence",
                    "No hardware brand stamps shown - request zipper pull and buckle markings",
                    "No bottom, side and corner close-ups to finalize condition grade"
                ],
                "negative_evidence": [
                    "photo 1, photo 2, photo 3: no COACH wordmark or horse-and-carriage visible on exterior, hardware or hangtag",
                    "photo 1, photo 2, photo 3: all-over large C-like print with incorrect scale, pairing and alignment vs Coach Signature C requirement for mirror symmetry and paired touching Cs",
                    "photo 4, photo 5, photo 6: shiny brown polyester satin lining, not unlined glove-tanned suede or Coach woven lining",
                    "photo 1-3: silver-tone thin O-rings, buckles and zippers, not solid brass vintage Coach hardware",
                    "photo 1-3: dark brown trim with white contrast stitching and sheen suggesting faux\/PU leather, not glove-tanned cowhide",
                    "photo 4, photo 5, photo 6: no leather creed patch visible on interior walls in three interior views",
                    "photo 1, photo 2, photo 3: no leather hangtag present"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone O-rings at strap attachments, rectangular buckles on back side, coil zippers with small tab pulls; thin plated appearance, not solid brass",
                    "leather_description": "dark brown smooth trim with sheen and white contrast stitching on straps and edges, appears faux\/PU leather; body is brown coated fabric\/canvas with large black C-like motifs",
                    "lining_description": "dark brown shiny polyester satin lining in zip compartments, no creed patch or woven label visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "white contrast machine stitching around trim, straps and zip edges, even but high-contrast vs leather, not tone-on-tone Coach classic stitching",
                    "strap_construction": "two fixed double shoulder straps in dark brown faux leather attached via silver O-rings to small tabs, plus side buckle-detail straps on back",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: silhouette is a multi-compartment zip-top fabric tote with exterior zip pocket and O-ring straps, not a catalog glove-tanned classic; C-like print is generic, not Coach Signature C",
                    "Era reasoning: synthetic materials, polyester lining, silver hardware and generic print indicate modern 2000s+ non-Coach manufacture",
                    "Condition: Very Good to Excellent appearance in photos - exterior print clean, trim intact, lining clean; capped by no bottom\/corner close-ups and no odor\/mold assessment"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 25611,
            "output_tokens": 737,
            "total_tokens": 26348,
            "estimated_cost_usd": 0.012013
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 26687,
            "output_tokens": 1476,
            "total_tokens": 28163,
            "estimated_cost_usd": 0.006518
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}