Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.2,
    "vintage_probability": 0.66,
    "authenticity_confidence": 0.15,
    "image_quality_score": 0.65,
    "seller_misidentification_probability": 0.2,
    "confidence": 0.735,
    "recommended_max_bid": 10,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 42.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 4: unusual vintage woven\/rattan-style handbag with a structured wooden frame, leather edging, and wrapped shoulder strap.",
        "photo 4: a faint oval or cartouche-like mark appears on the interior, but it is not legible enough to identify as Coach.",
        "photos 1, 3, and 4: construction appears handmade or artisan-made, with aged natural materials and metal fasteners consistent with an older bag."
    ],
    "negative_evidence": [
        "photos 1-6: the bag is woven wicker or reed rather than the glove-tanned leather or Coach signature canvas most commonly associated with Coach handbags.",
        "photos 1-6: no clearly legible COACH wordmark, horse-and-carriage mark, hangtag, or rectangular creed patch is visible.",
        "photo 2: the visible receipt is too faint and incomplete to verify its issuer, date, or relationship to the bag.",
        "photo 5: whole bag is woven wicker\/rattan basket purse, not leather glove-tanned construction",
        "photo 1, photo 4: unlined woven wicker interior with wood frame, no leather creed patch visible",
        "photo 5, photo 6: no brass turnlock, no Coach wordmark, no hangtag, no leather trim consistent with Coach",
        "photo 3: wood\/rattan structure with metal pins, not Coach solid-brass hardware"
    ],
    "missing_information": [
        "A straight-on, high-resolution photograph of the faint interior mark in photo 4.",
        "Clear photographs of the entire interior, including any labels, stamps, or sewn tags.",
        "A readable photograph of the receipt showing the store, date, and item description.",
        "Front, back, side, bottom, closure, strap-attachment, and hardware close-ups.",
        "Seller-stated dimensions and information about whether the woven material is wicker, reed, rattan, or another fiber.",
        "No Coach identifiers to request; for generic value would need overall dimensions and condition of wicker breaks"
    ],
    "authenticity_concerns": [
        "The apparent interior mark cannot be verified as a Coach identifier from the supplied photos.",
        "The wicker construction and absence of a legible Coach identifier leave substantial possibility that this is an unrelated vintage artisan or novelty handbag."
    ],
    "possible_model_reasoning": [
        "The silhouette is a structured vintage woven shoulder bag, but it does not provide enough evidence to match a specific Coach catalog model.",
        "The seller's claimed 1983 receipt is unverified listing text and cannot establish the manufacturing era or brand.",
        "Condition: Fair to Good; multiple woven strips appear frayed, broken, loose, or repaired in photos 1-3 and 5-6, while the frame and strap remain present. Interior condition and odor are unknown.",
        "Wicker basket silhouette does not match any catalog Coach style in 4.1-4.3; Coach did not make all-wicker handbags in vintage glove-tanned era",
        "No creed, wordmark, hangtag, brass hardware, or leather observed in any of 6 photos to support Coach manufacture",
        "Condition: Good to Fair for wicker type; photo 3 and photo 6 show broken\/loose splints and wear, wood frame intact"
    ],
    "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": "Small dark metal fasteners or rivets are visible along the wooden frame and flap; no Coach-stamped hardware is visible.",
        "leather_description": "Leather or leather-like wrapped edging and shoulder strap are visible, with a warm brown aged finish; the main body is woven natural fiber.",
        "lining_description": "No conventional fabric lining is visible; the interior appears exposed woven fiber and wood.",
        "strap_construction": "Single shoulder strap, apparently leather or leather-like, wrapped around a rigid handle\/frame area; attachment details are only partially visible.",
        "stitching_description": "Limited stitching is visible; most construction appears woven, wrapped, or fastened with small rivets rather than conventionally sewn."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0176,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.38,
                "vintage_probability": 0.82,
                "authenticity_confidence": 0.28,
                "image_quality_score": 0.7,
                "seller_misidentification_probability": 0.38,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 4: unusual vintage woven\/rattan-style handbag with a structured wooden frame, leather edging, and wrapped shoulder strap.",
                    "photo 4: a faint oval or cartouche-like mark appears on the interior, but it is not legible enough to identify as Coach.",
                    "photos 1, 3, and 4: construction appears handmade or artisan-made, with aged natural materials and metal fasteners consistent with an older bag."
                ],
                "negative_evidence": [
                    "photos 1-6: the bag is woven wicker or reed rather than the glove-tanned leather or Coach signature canvas most commonly associated with Coach handbags.",
                    "photos 1-6: no clearly legible COACH wordmark, horse-and-carriage mark, hangtag, or rectangular creed patch is visible.",
                    "photo 2: the visible receipt is too faint and incomplete to verify its issuer, date, or relationship to the bag."
                ],
                "missing_information": [
                    "A straight-on, high-resolution photograph of the faint interior mark in photo 4.",
                    "Clear photographs of the entire interior, including any labels, stamps, or sewn tags.",
                    "A readable photograph of the receipt showing the store, date, and item description.",
                    "Front, back, side, bottom, closure, strap-attachment, and hardware close-ups.",
                    "Seller-stated dimensions and information about whether the woven material is wicker, reed, rattan, or another fiber."
                ],
                "authenticity_concerns": [
                    "The apparent interior mark cannot be verified as a Coach identifier from the supplied photos.",
                    "The wicker construction and absence of a legible Coach identifier leave substantial possibility that this is an unrelated vintage artisan or novelty handbag."
                ],
                "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": "Small dark metal fasteners or rivets are visible along the wooden frame and flap; no Coach-stamped hardware is visible.",
                    "leather_description": "Leather or leather-like wrapped edging and shoulder strap are visible, with a warm brown aged finish; the main body is woven natural fiber.",
                    "lining_description": "No conventional fabric lining is visible; the interior appears exposed woven fiber and wood.",
                    "strap_construction": "Single shoulder strap, apparently leather or leather-like, wrapped around a rigid handle\/frame area; attachment details are only partially visible.",
                    "stitching_description": "Limited stitching is visible; most construction appears woven, wrapped, or fastened with small rivets rather than conventionally sewn."
                },
                "possible_model_reasoning": [
                    "The silhouette is a structured vintage woven shoulder bag, but it does not provide enough evidence to match a specific Coach catalog model.",
                    "The seller's claimed 1983 receipt is unverified listing text and cannot establish the manufacturing era or brand.",
                    "Condition: Fair to Good; multiple woven strips appear frayed, broken, loose, or repaired in photos 1-3 and 5-6, while the frame and strap remain present. Interior condition and odor are unknown."
                ],
                "confidence": 0.62,
                "recommended_max_bid": null,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "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": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "No Coach identifiers to request; for generic value would need overall dimensions and condition of wicker breaks"
                ],
                "negative_evidence": [
                    "photo 5: whole bag is woven wicker\/rattan basket purse, not leather glove-tanned construction",
                    "photo 1, photo 4: unlined woven wicker interior with wood frame, no leather creed patch visible",
                    "photo 5, photo 6: no brass turnlock, no Coach wordmark, no hangtag, no leather trim consistent with Coach",
                    "photo 3: wood\/rattan structure with metal pins, not Coach solid-brass hardware"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "no metal hardware visible except small dark pins\/rivets securing wood frame; no brass turnlock, no zipper",
                    "leather_description": "not leather - woven natural wicker\/rattan splint with wood frame; straw\/basket material excludes vintage Coach classics",
                    "lining_description": "unlined - open woven wicker interior visible, no fabric or suede lining",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - woven construction, no sewn leather seams visible",
                    "strap_construction": "rigid woven wicker top handle and thin wood\/bamboo stiffener strap; no leather shoulder strap, no buckle or dogleash clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Wicker basket silhouette does not match any catalog Coach style in 4.1-4.3; Coach did not make all-wicker handbags in vintage glove-tanned era",
                    "No creed, wordmark, hangtag, brass hardware, or leather observed in any of 6 photos to support Coach manufacture",
                    "Condition: Good to Fair for wicker type; photo 3 and photo 6 show broken\/loose splints and wear, wood frame intact"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
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            "output_tokens": 1007,
            "total_tokens": 18736,
            "estimated_cost_usd": 0.009508
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}