Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.03,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.825,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.89,
    "recommended_max_bid": 10,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather crossbody handbag with an adjustable strap and multiple compartments.",
        "photo 2: brown leather-like exterior and brass-tone hardware are visible."
    ],
    "negative_evidence": [
        "photo 1: prominent decorative chain accent, canvas webbing strap, and rounded saddle silhouette do not closely match the documented vintage Coach classic construction.",
        "photo 3: interior is fabric-lined rather than the unlined suede-back interior typical of many classic vintage Coach styles.",
        "photo 4: visible fabric care tag and zippered fabric compartments, with no Coach creed patch or wordmark visible.",
        "photo 1: hardware includes decorative chain and snap\/strap detailing rather than a recognizable Coach turnlock.",
        "listing text: seller identifies the item as unbranded and does not provide any Coach-specific identifiers.",
        "photo 1-2: smooth uniform brown material with faux-leather \/ PU appearance, not glove-tanned cowhide",
        "photo 4-5: brown synthetic polyester lining, fully lined; vintage Coach classics are unlined suede-back",
        "photo 1,3: off-white canvas webbing adjustable crossbody strap, never used on vintage Coach",
        "photo 3: magnetic snap closure, no turnlock of any geometry",
        "photo 1-2: decorative center chain trim and bar-and-stud detail, not a Coach design language",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible anywhere",
        "photo 4-6: thin zipper and small white synthetic content tag, consistent with modern fast-fashion boho bag"
    ],
    "missing_information": [
        "photo 4: the small fabric tag is visible but its text is too small to read; provide a straight-on close-up.",
        "photo 3: provide a close-up of every interior wall and pocket for any hidden brand stamp or creed.",
        "photo 1: provide close-ups of all hardware, zipper pulls, and strap attachments.",
        "photo 1: provide a bottom and corner-condition photo.",
        "No leather creed patch visible in any interior view (photos 4-6); no close-up of white fabric content tag to confirm maker",
        "No back, side, or bottom views to assess construction further",
        "No hardware brand stamps shown"
    ],
    "authenticity_concerns": [
        "photo 1: decorative chain-centered design and canvas strap are inconsistent with the classic vintage Coach silhouettes under consideration.",
        "photo 3: fabric-lined construction and visible synthetic-looking interior components support a modern generic bag rather than vintage Coach."
    ],
    "possible_model_reasoning": [
        "photo 1: the rounded flap and saddle-like profile are generic and do not provide a reliable Coach model match.",
        "photo 3: fabric lining and compartment construction point toward a modern fashion crossbody rather than a classic unlined Coach model.",
        "Condition: Very Good; exterior shows light creasing but no obvious major tears or broken hardware in the provided photos; odor, underside condition, and hidden defects are unknown.",
        "No Coach catalog silhouette, closure, strap, or material matches: saddle flap with magnetic snap + canvas strap + chain trim does not correspond to any classic or modern Coach style",
        "No hard identifiers (creed, serial, wordmark, hangtag, solid brass turnlock) to decode for era or model",
        "Condition: appears Like New to Excellent with no visible wear, but as non-Coach faux-leather boho bag with no collector value"
    ],
    "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: brass-tone rings, snaps, zipper hardware, a decorative chain accent, and a rectangular strap adjuster are visible; no Coach engraving is visible.",
        "leather_description": "photo 1: smooth brown leather-like exterior with surface creasing and light wear; exact leather type is not established.",
        "lining_description": "photo 3: brown fabric lining with a zippered interior pocket and an additional interior compartment; a small white fabric tag is present but unreadable.",
        "strap_construction": "photo 1: wide adjustable cream canvas\/webbing crossbody strap attached through metal rings and leather tabs.",
        "stitching_description": "photos 1-2: generally even brown-toned machine stitching is visible around the panels and edges."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0009,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.04,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.04,
                "image_quality_score": 0.9,
                "seller_misidentification_probability": 0.06,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather crossbody handbag with an adjustable strap and multiple compartments.",
                    "photo 2: brown leather-like exterior and brass-tone hardware are visible."
                ],
                "negative_evidence": [
                    "photo 1: prominent decorative chain accent, canvas webbing strap, and rounded saddle silhouette do not closely match the documented vintage Coach classic construction.",
                    "photo 3: interior is fabric-lined rather than the unlined suede-back interior typical of many classic vintage Coach styles.",
                    "photo 4: visible fabric care tag and zippered fabric compartments, with no Coach creed patch or wordmark visible.",
                    "photo 1: hardware includes decorative chain and snap\/strap detailing rather than a recognizable Coach turnlock.",
                    "listing text: seller identifies the item as unbranded and does not provide any Coach-specific identifiers."
                ],
                "missing_information": [
                    "photo 4: the small fabric tag is visible but its text is too small to read; provide a straight-on close-up.",
                    "photo 3: provide a close-up of every interior wall and pocket for any hidden brand stamp or creed.",
                    "photo 1: provide close-ups of all hardware, zipper pulls, and strap attachments.",
                    "photo 1: provide a bottom and corner-condition photo."
                ],
                "authenticity_concerns": [
                    "photo 1: decorative chain-centered design and canvas strap are inconsistent with the classic vintage Coach silhouettes under consideration.",
                    "photo 3: fabric-lined construction and visible synthetic-looking interior components support a modern generic bag rather than vintage 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": "photo 1: brass-tone rings, snaps, zipper hardware, a decorative chain accent, and a rectangular strap adjuster are visible; no Coach engraving is visible.",
                    "leather_description": "photo 1: smooth brown leather-like exterior with surface creasing and light wear; exact leather type is not established.",
                    "lining_description": "photo 3: brown fabric lining with a zippered interior pocket and an additional interior compartment; a small white fabric tag is present but unreadable.",
                    "strap_construction": "photo 1: wide adjustable cream canvas\/webbing crossbody strap attached through metal rings and leather tabs.",
                    "stitching_description": "photos 1-2: generally even brown-toned machine stitching is visible around the panels and edges."
                },
                "possible_model_reasoning": [
                    "photo 1: the rounded flap and saddle-like profile are generic and do not provide a reliable Coach model match.",
                    "photo 3: fabric lining and compartment construction point toward a modern fashion crossbody rather than a classic unlined Coach model.",
                    "Condition: Very Good; exterior shows light creasing but no obvious major tears or broken hardware in the provided photos; odor, underside condition, and hidden defects are unknown."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 12,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "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": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No leather creed patch visible in any interior view (photos 4-6); no close-up of white fabric content tag to confirm maker",
                    "No back, side, or bottom views to assess construction further",
                    "No hardware brand stamps shown"
                ],
                "negative_evidence": [
                    "photo 1-2: smooth uniform brown material with faux-leather \/ PU appearance, not glove-tanned cowhide",
                    "photo 4-5: brown synthetic polyester lining, fully lined; vintage Coach classics are unlined suede-back",
                    "photo 1,3: off-white canvas webbing adjustable crossbody strap, never used on vintage Coach",
                    "photo 3: magnetic snap closure, no turnlock of any geometry",
                    "photo 1-2: decorative center chain trim and bar-and-stud detail, not a Coach design language",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible anywhere",
                    "photo 4-6: thin zipper and small white synthetic content tag, consistent with modern fast-fashion boho bag"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "antique brass-tone magnetic snap, center decorative curb chain, small D-rings and buckle on strap; plated lightweight appearance, not solid brass turnlock",
                    "leather_description": "medium brown smooth material with uniform faux-leather grain and slight sheen, appears to be PU \/ faux leather, not glove-tanned full-grain",
                    "lining_description": "brown polyester fabric lining with zip pocket visible in photos 4-6",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even machine stitching in matching brown thread around flap edge, visible in photos 1-3",
                    "strap_construction": "wide off-white canvas webbing adjustable crossbody strap attached via small metal D-rings and faux-leather tabs",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach catalog silhouette, closure, strap, or material matches: saddle flap with magnetic snap + canvas strap + chain trim does not correspond to any classic or modern Coach style",
                    "No hard identifiers (creed, serial, wordmark, hangtag, solid brass turnlock) to decode for era or model",
                    "Condition: appears Like New to Excellent with no visible wear, but as non-Coach faux-leather boho bag with no collector value"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28775,
            "output_tokens": 817,
            "total_tokens": 29592,
            "estimated_cost_usd": 0.013471
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30091,
            "output_tokens": 1351,
            "total_tokens": 31442,
            "estimated_cost_usd": 0.007099
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}