Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.525,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.635,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.815,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag-sized evening clutch with a structured top edge and gathered black textile body.",
        "photo 2: Gold-tone chain strap and central clasp are visible.",
        "photo 5: The silhouette and textile construction are compatible with a mid-century evening bag, although the claimed date is not independently verifiable."
    ],
    "negative_evidence": [
        "photo 1: Body appears to be textile\/faille rather than Coach glove-tanned leather or Coach signature canvas.",
        "photo 2: No Coach wordmark, horse-and-carriage, creed patch, or leather hangtag is visible.",
        "photo 3: Hardware appears to be generic gold-tone chain and clasp hardware, with no visible Coach engraving.",
        "photo 5: Gathered fabric construction and kiss-lock evening-clutch design do not provide a recognizable Coach model match.",
        "photo 1-6: body is black gathered faille fabric, not glove-tanned leather - fails Step 1 leather triage",
        "photo 2-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
        "photo 2-4: closure is small kiss-lock\/clasp, not Coach turnlock geometry",
        "photo 2-6: thin gold-tone chain strap, not Coach brass dogleash, buckle-adjustable or dowel-handle construction",
        "no unlined suede interior, solid brass hardware, or catalog silhouette observed"
    ],
    "missing_information": [
        "Interior view, including any label, maker mark, or creed-like patch.",
        "Close-up of the clasp and chain attachment hardware for possible maker markings.",
        "Bottom, side, and rear views.",
        "Seller-stated dimensions and a close-up of the reported wear.",
        "photo of interior emptied and any interior label or tags not shown",
        "photo of bottom, back and side views not shown",
        "close-up of clasp\/hardware brand marks not shown",
        "creed patch not shown - no leather patch visible to read"
    ],
    "authenticity_concerns": [
        "No Coach identifiers are visible in any provided photo.",
        "The textile evening-clutch construction is inconsistent with the classic leather Coach handbag population.",
        "The seller's mid-century date claim is unverified from the supplied views and text alone."
    ],
    "possible_model_reasoning": [
        "No Coach model is a plausible match from the visible textile gathered evening-clutch silhouette and generic chain hardware.",
        "The seller's stated 1950s\/1960s dating may be possible for a generic evening bag, but the photos do not show a period label or construction detail sufficient to establish the era.",
        "Condition: Good to Very Good based on the visible reported slight wear at the top rim and generally intact exterior; interior, odor, lining, and chain condition are unknown.",
        "No Coach model fits: fabric evening clutch with kiss-lock and chain is outside Coach classic glove-tanned catalog (City Bag, Willis, Court, Dinky, etc. are all leather with turnlock)",
        "Construction dates by fabric evening-bag style consistent with seller mid-century claim but provides no Coach link; Coach 1960s Cashin bags were leather with industrial hardware and striped linings, not faille clutch",
        "Condition: Very Good to Good; slight wear at top rim noted by seller, fabric otherwise intact in photos 1-6, interior and bottom unknown so grade 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: Gold-tone chain strap with small attachment rings and a central rectangular clasp; no branding is visible.",
        "leather_description": "no leather visible; black faille fabric with gathered pleats",
        "lining_description": "not_visible - interior never shown",
        "strap_construction": "photo 2: Narrow gold-tone chain attached at two upper side points; the chain is visible but its full construction is not shown.",
        "stitching_description": "photo 1: Gathered\/pleated black textile body with a stitched-looking top band; stitching quality is not sufficiently visible for detailed assessment."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.002,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.45,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag-sized evening clutch with a structured top edge and gathered black textile body.",
                    "photo 2: Gold-tone chain strap and central clasp are visible.",
                    "photo 5: The silhouette and textile construction are compatible with a mid-century evening bag, although the claimed date is not independently verifiable."
                ],
                "negative_evidence": [
                    "photo 1: Body appears to be textile\/faille rather than Coach glove-tanned leather or Coach signature canvas.",
                    "photo 2: No Coach wordmark, horse-and-carriage, creed patch, or leather hangtag is visible.",
                    "photo 3: Hardware appears to be generic gold-tone chain and clasp hardware, with no visible Coach engraving.",
                    "photo 5: Gathered fabric construction and kiss-lock evening-clutch design do not provide a recognizable Coach model match."
                ],
                "missing_information": [
                    "Interior view, including any label, maker mark, or creed-like patch.",
                    "Close-up of the clasp and chain attachment hardware for possible maker markings.",
                    "Bottom, side, and rear views.",
                    "Seller-stated dimensions and a close-up of the reported wear."
                ],
                "authenticity_concerns": [
                    "No Coach identifiers are visible in any provided photo.",
                    "The textile evening-clutch construction is inconsistent with the classic leather Coach handbag population.",
                    "The seller's mid-century date claim is unverified from the supplied views and text alone."
                ],
                "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: Gold-tone chain strap with small attachment rings and a central rectangular clasp; no branding is visible.",
                    "leather_description": "not_visible",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 2: Narrow gold-tone chain attached at two upper side points; the chain is visible but its full construction is not shown.",
                    "stitching_description": "photo 1: Gathered\/pleated black textile body with a stitched-looking top band; stitching quality is not sufficiently visible for detailed assessment."
                },
                "possible_model_reasoning": [
                    "No Coach model is a plausible match from the visible textile gathered evening-clutch silhouette and generic chain hardware.",
                    "The seller's stated 1950s\/1960s dating may be possible for a generic evening bag, but the photos do not show a period label or construction detail sufficient to establish the era.",
                    "Condition: Good to Very Good based on the visible reported slight wear at the top rim and generally intact exterior; interior, odor, lining, and chain condition are unknown."
                ],
                "confidence": 0.78,
                "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": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo of interior emptied and any interior label or tags not shown",
                    "photo of bottom, back and side views not shown",
                    "close-up of clasp\/hardware brand marks not shown",
                    "creed patch not shown - no leather patch visible to read"
                ],
                "negative_evidence": [
                    "photo 1-6: body is black gathered faille fabric, not glove-tanned leather - fails Step 1 leather triage",
                    "photo 2-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
                    "photo 2-4: closure is small kiss-lock\/clasp, not Coach turnlock geometry",
                    "photo 2-6: thin gold-tone chain strap, not Coach brass dogleash, buckle-adjustable or dowel-handle construction",
                    "no unlined suede interior, solid brass hardware, or catalog silhouette observed"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone kiss-lock clasp and thin gold-tone chain strap attached at frame ends; plated tone, not solid brass vintage Coach hardware",
                    "leather_description": "no leather visible; black faille fabric with gathered pleats",
                    "lining_description": "not_visible - interior never shown",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "thin gold-tone curb chain, fixed length, attached via small tabs to frame",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: fabric evening clutch with kiss-lock and chain is outside Coach classic glove-tanned catalog (City Bag, Willis, Court, Dinky, etc. are all leather with turnlock)",
                    "Construction dates by fabric evening-bag style consistent with seller mid-century claim but provides no Coach link; Coach 1960s Cashin bags were leather with industrial hardware and striped linings, not faille clutch",
                    "Condition: Very Good to Good; slight wear at top rim noted by seller, fabric otherwise intact in photos 1-6, interior and bottom unknown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.6
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18135,
            "output_tokens": 772,
            "total_tokens": 18907,
            "estimated_cost_usd": 0.009107
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18690,
            "output_tokens": 1268,
            "total_tokens": 19958,
            "estimated_cost_usd": 0.004752
        }
    ]
}