Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.14,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.105,
    "confidence": 0.865,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the bag is clearly a handbag, but its woven leather body and fabric-lined interior do not resemble the classic unlined glove-tanned Coach construction",
        "photo 1: no visible Coach creed, wordmark, horse-and-carriage, or leather hangtag",
        "photo 1: visible closure hardware appears to be snaps and a small generic metal fitting, not a recognizable vintage Coach turnlock",
        "photo 3: woven body, rounded handle, and broad leather base are a generic woven-bag design; no Coach identifier is visible",
        "listing text: seller identifies the bag as possibly Anthropologie and does not claim Coach; this is weak contextual support for a non-Coach identification",
        "photo 2: openwork woven leather-strip body with circular top handles does not match any vintage Coach catalog silhouette",
        "photo 1: fabric-lined interior with magnetic snap closures, not unlined suede-back glove-tanned classic construction",
        "photo 1: no creed patch visible on interior back wall or inside slip pocket",
        "photo 1, photo 2, photo 3: no COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1: dark-tone magnetic snaps, not solid brass vintage turnlock geometry"
    ],
    "missing_information": [
        "photo 1: no interior brand label or sewn-in maker tag is visible",
        "photo 1: no close-up of all interior pockets, seams, or hardware markings",
        "photo 2: no close-up of the handle attachment and side construction",
        "listing data: exact dimensions, materials, and any maker label or date information are not provided",
        "photo 1: no creed patch visible on interior back wall or slip pocket - request straight-on raking-light photo of any stamped leather patch",
        "photo 1: no legible maker's mark on magnetic snaps or zipper pull - request hardware stamp close-ups",
        "photo 3: bottom exterior maker stamp not shown - request bottom and interior tag\/seam tag photos"
    ],
    "authenticity_concerns": [
        "photo 1: fabric lining and woven construction are inconsistent with the usual vintage Coach classic leather handbag profile",
        "photo 1: absence of any visible Coach identifier leaves no evidence supporting Coach manufacture"
    ],
    "possible_model_reasoning": [
        "photo 2: rounded top handle and woven body do not closely match the listed vintage Coach model catalog; no Coach model is proposed",
        "photo 1: interior organization and fabric lining suggest a fashion\/accessories brand such as the seller's suggested Anthropologie, but no maker label is visible to verify that attribution",
        "photos 1-3: condition appears Good to Very Good, with surface scratches, creasing, and softened leather but no clearly visible structural tear; odor, mold, and hidden lining wear are unknown",
        "photo 2: silhouette is small woven openwork top-handle bag with round handles - no match in Coach classic 1970s-1990s catalog (City, Willis, Court, Station, Dinky, Duffle) which are solid glove-tanned with turnlock or zip closures",
        "photo 1: fabric lining + magnetic snaps points to modern (2000s+) non-Coach construction per skill, not NYC\/US glove-tanned era",
        "Condition: Good to Very Good; leather trim shows wear and creasing (photo 3 base scuffing), lining appears intact (photo 1), hardware functional but not close-up"
    ],
    "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: small dark metal fittings and snap closures are visible; no Coach engraving is legible",
        "leather_description": "photos 1-3: tan leather trim and rounded leather handle surrounding a woven leather or leather-like body; surface shows visible creasing and scratches",
        "lining_description": "photo 1: beige fabric lining with multiple compartments and a zippered pocket is visible",
        "strap_construction": "photos 1-2: single rounded top handle; no detachable shoulder strap is visible",
        "stitching_description": "photos 1 and 3: visible perimeter stitching appears generally even, with some wear and creasing; construction is not characteristic enough to identify as Coach"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0029,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.18,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag is clearly a handbag, but its woven leather body and fabric-lined interior do not resemble the classic unlined glove-tanned Coach construction",
                    "photo 1: no visible Coach creed, wordmark, horse-and-carriage, or leather hangtag",
                    "photo 1: visible closure hardware appears to be snaps and a small generic metal fitting, not a recognizable vintage Coach turnlock",
                    "photo 3: woven body, rounded handle, and broad leather base are a generic woven-bag design; no Coach identifier is visible",
                    "listing text: seller identifies the bag as possibly Anthropologie and does not claim Coach; this is weak contextual support for a non-Coach identification"
                ],
                "missing_information": [
                    "photo 1: no interior brand label or sewn-in maker tag is visible",
                    "photo 1: no close-up of all interior pockets, seams, or hardware markings",
                    "photo 2: no close-up of the handle attachment and side construction",
                    "listing data: exact dimensions, materials, and any maker label or date information are not provided"
                ],
                "authenticity_concerns": [
                    "photo 1: fabric lining and woven construction are inconsistent with the usual vintage Coach classic leather handbag profile",
                    "photo 1: absence of any visible Coach identifier leaves no evidence supporting Coach manufacture"
                ],
                "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: small dark metal fittings and snap closures are visible; no Coach engraving is legible",
                    "leather_description": "photos 1-3: tan leather trim and rounded leather handle surrounding a woven leather or leather-like body; surface shows visible creasing and scratches",
                    "lining_description": "photo 1: beige fabric lining with multiple compartments and a zippered pocket is visible",
                    "strap_construction": "photos 1-2: single rounded top handle; no detachable shoulder strap is visible",
                    "stitching_description": "photos 1 and 3: visible perimeter stitching appears generally even, with some wear and creasing; construction is not characteristic enough to identify as Coach"
                },
                "possible_model_reasoning": [
                    "photo 2: rounded top handle and woven body do not closely match the listed vintage Coach model catalog; no Coach model is proposed",
                    "photo 1: interior organization and fabric lining suggest a fashion\/accessories brand such as the seller's suggested Anthropologie, but no maker label is visible to verify that attribution",
                    "photos 1-3: condition appears Good to Very Good, with surface scratches, creasing, and softened leather but no clearly visible structural tear; odor, mold, and hidden lining wear are unknown"
                ],
                "confidence": 0.88,
                "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": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1: no creed patch visible on interior back wall or slip pocket - request straight-on raking-light photo of any stamped leather patch",
                    "photo 1: no legible maker's mark on magnetic snaps or zipper pull - request hardware stamp close-ups",
                    "photo 3: bottom exterior maker stamp not shown - request bottom and interior tag\/seam tag photos"
                ],
                "negative_evidence": [
                    "photo 2: openwork woven leather-strip body with circular top handles does not match any vintage Coach catalog silhouette",
                    "photo 1: fabric-lined interior with magnetic snap closures, not unlined suede-back glove-tanned classic construction",
                    "photo 1: no creed patch visible on interior back wall or inside slip pocket",
                    "photo 1, photo 2, photo 3: no COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1: dark-tone magnetic snaps, not solid brass vintage turnlock geometry"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "dark gunmetal-tone magnetic snaps and small D-ring visible in photo 1; no brass turnlock; zipper pull not legible",
                    "leather_description": "tan smooth leather trim and base with openwork woven leather-strip body visible in photo 2 and photo 3; not smooth glove-tanned cowhide",
                    "lining_description": "beige\/taupe fabric lining with slip pockets and one zip pocket visible in photo 1; not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tan thread edge stitching on trim visible in photo 1 and photo 3; even but not diagnostic of Coach",
                    "strap_construction": "fixed circular wrapped leather top handles, no detachable crossbody strap or dogleash clips visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 2: silhouette is small woven openwork top-handle bag with round handles - no match in Coach classic 1970s-1990s catalog (City, Willis, Court, Station, Dinky, Duffle) which are solid glove-tanned with turnlock or zip closures",
                    "photo 1: fabric lining + magnetic snaps points to modern (2000s+) non-Coach construction per skill, not NYC\/US glove-tanned era",
                    "Condition: Good to Very Good; leather trim shows wear and creasing (photo 3 base scuffing), lining appears intact (photo 1), hardware functional but not close-up"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.2
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16619,
            "output_tokens": 775,
            "total_tokens": 17394,
            "estimated_cost_usd": 0.008508
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17037,
            "output_tokens": 1167,
            "total_tokens": 18204,
            "estimated_cost_usd": 0.004341
        }
    ]
}