Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.35,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.735,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.86,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Bag is covered in black beadwork with a fabric or mesh base, unlike the leather, suede, canvas, or signature construction typical of Coach handbags.",
        "photo 2: Interior appears to be dark synthetic fabric with a zipper closure; no Coach creed, wordmark, or recognizable Coach identifier is visible.",
        "photo 3: Strap is made of braided or beaded textile rather than Coach's typical leather strap construction.",
        "photo 1: Decorative beaded flap and scalloped fringe do not match the documented Coach model silhouettes.",
        "photo 1: all-over black glass beading \/ beadwork body, not glove-tanned leather",
        "photo 1: no solid brass hardware, no turnlock, no leather hangtag, no COACH wordmark",
        "photo 2: black satin-type synthetic lining with top zip, not unlined suede glove-tanned interior",
        "photo 2: black-coated zipper, not Talon solid brass \/ YKK leather-pull Coach construction",
        "photo 3: twisted beaded strap, not leather buckle-adjustable or dogleash strap"
    ],
    "missing_information": [
        "photo 2: Interior back wall and all pockets should be shown clearly to confirm whether any label or creed is present.",
        "photo 1: Close-up of the zipper pull and closure hardware is needed.",
        "photo 4: Bottom, side seams, and any maker label are not shown.",
        "Seller-stated dimensions are provided, but the item's material composition and manufacturing label are not provided.",
        "No brand label or maker mark shown in photos (photo 2 interior shows no label)",
        "No bottom, back, or hardware close-up beyond zipper"
    ],
    "authenticity_concerns": [
        "No visible Coach identifier supports Coach manufacture.",
        "The beaded textile construction and synthetic-looking lining are inconsistent with the classic vintage Coach leather handbag population."
    ],
    "possible_model_reasoning": [
        "The small beaded shoulder-bag silhouette could represent a vintage or novelty evening bag, but it does not correspond to a recognizable Coach model.",
        "Condition appears approximately Very Good based on the visible exterior and interior, although bead security, odor, and the unseen underside cannot be evaluated from the supplied photos.",
        "No Coach silhouette match: Coach did not make beaded evening bags in classic or modern catalog; beaded construction excludes all glove-tanned and signature-canvas lines",
        "No identifiers: no creed patch, no serial, no wordmark, no hangtag, no brass hardware in any photo",
        "Condition: seller states Excellent; photos 1-2 show intact beadwork and clean lining with no visible damage, consistent with Excellent for a generic beaded bag, but interior and bottom coverage incomplete 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 2: Small zipper closure with dark, unbranded-looking pull; no turnlock or Coach-engraved hardware visible.",
        "leather_description": "photo 1: No leather body is visible; exterior is densely covered in black beads on a textile or mesh base.",
        "lining_description": "photo 2: Dark fabric or synthetic lining visible; no label or creed visible.",
        "strap_construction": "photo 3: Narrow braided or beaded textile strap, stated by seller to have a 25-inch drop.",
        "stitching_description": "photo 1 and photo 2: Edges appear finished with beadwork and textile trim; stitching details are not sufficiently visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0011,
    "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": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Bag is covered in black beadwork with a fabric or mesh base, unlike the leather, suede, canvas, or signature construction typical of Coach handbags.",
                    "photo 2: Interior appears to be dark synthetic fabric with a zipper closure; no Coach creed, wordmark, or recognizable Coach identifier is visible.",
                    "photo 3: Strap is made of braided or beaded textile rather than Coach's typical leather strap construction.",
                    "photo 1: Decorative beaded flap and scalloped fringe do not match the documented Coach model silhouettes."
                ],
                "missing_information": [
                    "photo 2: Interior back wall and all pockets should be shown clearly to confirm whether any label or creed is present.",
                    "photo 1: Close-up of the zipper pull and closure hardware is needed.",
                    "photo 4: Bottom, side seams, and any maker label are not shown.",
                    "Seller-stated dimensions are provided, but the item's material composition and manufacturing label are not provided."
                ],
                "authenticity_concerns": [
                    "No visible Coach identifier supports Coach manufacture.",
                    "The beaded textile construction and synthetic-looking lining are inconsistent with the classic vintage Coach leather handbag population."
                ],
                "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 2: Small zipper closure with dark, unbranded-looking pull; no turnlock or Coach-engraved hardware visible.",
                    "leather_description": "photo 1: No leather body is visible; exterior is densely covered in black beads on a textile or mesh base.",
                    "lining_description": "photo 2: Dark fabric or synthetic lining visible; no label or creed visible.",
                    "strap_construction": "photo 3: Narrow braided or beaded textile strap, stated by seller to have a 25-inch drop.",
                    "stitching_description": "photo 1 and photo 2: Edges appear finished with beadwork and textile trim; stitching details are not sufficiently visible."
                },
                "possible_model_reasoning": [
                    "The small beaded shoulder-bag silhouette could represent a vintage or novelty evening bag, but it does not correspond to a recognizable Coach model.",
                    "Condition appears approximately Very Good based on the visible exterior and interior, although bead security, odor, and the unseen underside cannot be evaluated from the supplied photos."
                ],
                "confidence": 0.84,
                "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": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "No brand label or maker mark shown in photos (photo 2 interior shows no label)",
                    "No bottom, back, or hardware close-up beyond zipper"
                ],
                "negative_evidence": [
                    "photo 1: all-over black glass beading \/ beadwork body, not glove-tanned leather",
                    "photo 1: no solid brass hardware, no turnlock, no leather hangtag, no COACH wordmark",
                    "photo 2: black satin-type synthetic lining with top zip, not unlined suede glove-tanned interior",
                    "photo 2: black-coated zipper, not Talon solid brass \/ YKK leather-pull Coach construction",
                    "photo 3: twisted beaded strap, not leather buckle-adjustable or dogleash strap"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "black-tone zipper with black pull visible in photo 2; no brass turnlock, buckle, D-ring or dogleash clip visible",
                    "leather_description": "no leather visible; exterior is black beadwork over fabric base in photo 1",
                    "lining_description": "photo 2: black smooth satin-type fabric lining, empty, no creed patch visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible; beadwork construction, no leather stitching to assess",
                    "strap_construction": "photo 3: narrow twisted \/ woven black beaded strap, no leather, no buckle or brass clips shown",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach silhouette match: Coach did not make beaded evening bags in classic or modern catalog; beaded construction excludes all glove-tanned and signature-canvas lines",
                    "No identifiers: no creed patch, no serial, no wordmark, no hangtag, no brass hardware in any photo",
                    "Condition: seller states Excellent; photos 1-2 show intact beadwork and clean lining with no visible damage, consistent with Excellent for a generic beaded bag, but interior and bottom coverage incomplete so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.35
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16416,
            "output_tokens": 702,
            "total_tokens": 17118,
            "estimated_cost_usd": 0.008251
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16723,
            "output_tokens": 1168,
            "total_tokens": 17891,
            "estimated_cost_usd": 0.004279
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    ]
}