Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.035,
    "vintage_probability": 0.24,
    "authenticity_confidence": 0.035,
    "image_quality_score": 0.715,
    "seller_misidentification_probability": 0.065,
    "confidence": 0.735,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: leather crossbody handbag with an adjustable long strap is clearly shown",
        "photo 2: brown leather construction and neat contrasting stitching are visible",
        "photo 1: brown leather crossbody handbag form with adjustable strap - general population where misidentified Coach hides, but no specific Coach identifier"
    ],
    "negative_evidence": [
        "photo 2: prominently textured\/woven leather body does not resemble the smooth glove-tanned leather used on most classic vintage Coach crossbodies",
        "photo 3: interior is visible but no Coach creed patch, wordmark, or country\/serial marking can be seen",
        "photo 4: fabric-lined, multi-compartment interior with modern zip construction is inconsistent with many classic unlined vintage Coach styles",
        "photos 1-4: no Coach-specific turnlock, hangtag, horse-and-carriage mark, or other identifiable Coach branding is visible",
        "photo 4: tan fabric lining with zip pocket and slip pockets - vintage Coach classics are unlined suede-back glove-tanned, fabric-lined vintage classic is late-1990s+ style or not Coach",
        "photo 1-2: all-over embossed basket-weave body with lizard-embossed top panel - not Coach smooth glove-tanned cowhide",
        "photo 1-4: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 1-4: no turnlock; zip-top closure with brass-tone zipper, not a Coach catalog turnlock silhouette",
        "photo 2: thin embossed leather with finished edges, unlike thick US glove-tanned"
    ],
    "missing_information": [
        "photo 3: closer, straight-on photographs of all interior walls and pockets to confirm whether a small creed or fabric brand tag is present",
        "photos 1-4: bottom, corners, strap attachment points, and zipper-pull close-ups",
        "photo 3: readable photographs of any interior or hardware markings",
        "photo of any interior leather creed patch or fabric brand label straight-on in raking light (photos 3-4 show interior but no legible patch)",
        "photo of zipper pull brand stamp and strap hardware close-up",
        "photo of back, sides and bottom corners to complete condition grade",
        "seller-stated dimensions for scale"
    ],
    "authenticity_concerns": [
        "photos 1-4: the visible construction appears to be a generic woven-leather crossbody rather than an identifiable Coach model",
        "photo 3: absence of a visible Coach identifier prevents attribution to Coach"
    ],
    "possible_model_reasoning": [
        "The silhouette is a compact zip-top crossbody, but no catalog-specific Coach features or identifiers are visible, so no Coach model is assigned.",
        "Era is estimated as modern (2000s+) non-Coach based on the fabric-lined multi-compartment interior, woven leather treatment, and modern zipper construction.",
        "Condition appears approximately Very Good from the shown surfaces, with visible intact trim and stitching; bottom, corners, odor, and full strap condition are not fully documented.",
        "No Coach model fits: zip-top embossed-texture crossbody with full fabric lining does not match City Bag (9790), Willis (9927), Court (9870), Dinky (9375) or other glove-tanned turnlock classics",
        "Construction points to 1990s-2000s department-store brand e.g. Tignanello-type pebbled\/embossed leather with fabric lining, not Coach",
        "Condition: Very Good; exterior shows light wear and uniform tone (photo 2), strap appears intact (photo 1), interior looks clean (photo 4), but bottom corners and full exterior not shown 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": "photos 1 and 4: small gold-tone zipper hardware is visible; no Coach-engraved hardware or turnlock is visible",
        "leather_description": "photos 1-3: brown leather or leather-like material with a pronounced woven\/textured finish and smooth brown trim; exact material cannot be confirmed",
        "lining_description": "photos 3-4: tan fabric-lined interior with multiple zippered compartments and pockets",
        "strap_construction": "photos 1-2: long adjustable narrow strap attached at side hardware; strap edges and stitching are visible",
        "stitching_description": "photos 1-2: generally even contrasting stitching is visible along the trim and strap; stress-point construction is not fully shown"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0045,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.09,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: leather crossbody handbag with an adjustable long strap is clearly shown",
                    "photo 2: brown leather construction and neat contrasting stitching are visible"
                ],
                "negative_evidence": [
                    "photo 2: prominently textured\/woven leather body does not resemble the smooth glove-tanned leather used on most classic vintage Coach crossbodies",
                    "photo 3: interior is visible but no Coach creed patch, wordmark, or country\/serial marking can be seen",
                    "photo 4: fabric-lined, multi-compartment interior with modern zip construction is inconsistent with many classic unlined vintage Coach styles",
                    "photos 1-4: no Coach-specific turnlock, hangtag, horse-and-carriage mark, or other identifiable Coach branding is visible"
                ],
                "missing_information": [
                    "photo 3: closer, straight-on photographs of all interior walls and pockets to confirm whether a small creed or fabric brand tag is present",
                    "photos 1-4: bottom, corners, strap attachment points, and zipper-pull close-ups",
                    "photo 3: readable photographs of any interior or hardware markings"
                ],
                "authenticity_concerns": [
                    "photos 1-4: the visible construction appears to be a generic woven-leather crossbody rather than an identifiable Coach model",
                    "photo 3: absence of a visible Coach identifier prevents attribution to Coach"
                ],
                "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 and 4: small gold-tone zipper hardware is visible; no Coach-engraved hardware or turnlock is visible",
                    "leather_description": "photos 1-3: brown leather or leather-like material with a pronounced woven\/textured finish and smooth brown trim; exact material cannot be confirmed",
                    "lining_description": "photos 3-4: tan fabric-lined interior with multiple zippered compartments and pockets",
                    "strap_construction": "photos 1-2: long adjustable narrow strap attached at side hardware; strap edges and stitching are visible",
                    "stitching_description": "photos 1-2: generally even contrasting stitching is visible along the trim and strap; stress-point construction is not fully shown"
                },
                "possible_model_reasoning": [
                    "The silhouette is a compact zip-top crossbody, but no catalog-specific Coach features or identifiers are visible, so no Coach model is assigned.",
                    "Era is estimated as modern (2000s+) non-Coach based on the fabric-lined multi-compartment interior, woven leather treatment, and modern zipper construction.",
                    "Condition appears approximately Very Good from the shown surfaces, with visible intact trim and stitching; bottom, corners, odor, and full strap condition are not fully documented."
                ],
                "confidence": 0.77,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.04,
                "coach_probability": 0.03,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo of any interior leather creed patch or fabric brand label straight-on in raking light (photos 3-4 show interior but no legible patch)",
                    "photo of zipper pull brand stamp and strap hardware close-up",
                    "photo of back, sides and bottom corners to complete condition grade",
                    "seller-stated dimensions for scale"
                ],
                "negative_evidence": [
                    "photo 4: tan fabric lining with zip pocket and slip pockets - vintage Coach classics are unlined suede-back glove-tanned, fabric-lined vintage classic is late-1990s+ style or not Coach",
                    "photo 1-2: all-over embossed basket-weave body with lizard-embossed top panel - not Coach smooth glove-tanned cowhide",
                    "photo 1-4: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 1-4: no turnlock; zip-top closure with brass-tone zipper, not a Coach catalog turnlock silhouette",
                    "photo 2: thin embossed leather with finished edges, unlike thick US glove-tanned"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone zipper with dark pull (photo 4) and small buckle on strap (photo 1); no turnlock, no stamped COACH visible",
                    "leather_description": "brown leather with embossed basket-weave texture on lower body and lizard-type embossing on top trim (photo 2); smooth finish top edge, not glove-tanned full-grain",
                    "lining_description": "tan fabric lining with interior zip compartment and leather-trim slip pockets visible in photo 4",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-on-tone straight stitching along top trim and base (photo 2); no mismatched thread visible",
                    "strap_construction": "thin flat adjustable crossbody strap with buckle slider, attached at sides (photo 1)",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: brown leather crossbody handbag form with adjustable strap - general population where misidentified Coach hides, but no specific Coach identifier"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: zip-top embossed-texture crossbody with full fabric lining does not match City Bag (9790), Willis (9927), Court (9870), Dinky (9375) or other glove-tanned turnlock classics",
                    "Construction points to 1990s-2000s department-store brand e.g. Tignanello-type pebbled\/embossed leather with fabric lining, not Coach",
                    "Condition: Very Good; exterior shows light wear and uniform tone (photo 2), strap appears intact (photo 1), interior looks clean (photo 4), but bottom corners and full exterior not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.04,
                "vintage_probability": 0.4
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17094,
            "output_tokens": 762,
            "total_tokens": 17856,
            "estimated_cost_usd": 0.008666
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17555,
            "output_tokens": 1485,
            "total_tokens": 19040,
            "estimated_cost_usd": 0.004699
        }
    ]
}