Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.025,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.735,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.86,
    "recommended_max_bid": 8,
    "estimated_resale_low": 10,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: interior has black synthetic-looking lining and a small fabric label, with no visible Coach creed or wordmark",
        "photo 2: both bags have a slim rectangular clutch silhouette and bright gold-tone frame hardware unlike classic vintage Coach construction",
        "photo 3: leather-like smooth exterior and narrow wrist straps appear modern and generic",
        "photo 4: visible seams and hardware do not show a Coach hangtag, carriage, or identifying stamp",
        "photo 5: gold-tone frame hardware is plated-looking and includes visible fasteners, not the solid-brass turnlock construction typical of vintage Coach",
        "photo 6: the bags appear approximately 12 inches wide and 7 inches tall, consistent with generic modern clutches",
        "photo 1: black synthetic fabric lining with interior zip pocket and small white fabric tag, no leather creed patch visible",
        "photo 2, photo 4: smooth uniform coated faux-leather with wristlet straps, not glove-tanned leather",
        "photo 1, photo 5, photo 6: bright gold-tone plated zipper teeth and frame bar, not solid vintage brass",
        "photo 2-6: modern zip-top wristlet clutch construction with exposed frame bar, no turnlock, no hangtag, no COACH wordmark"
    ],
    "missing_information": [
        "photo 1: the small interior fabric label is too small or angled to read",
        "A straight-on close-up of any interior label or brand stamp",
        "Close-ups of the frame hardware, zipper pulls, strap attachments, and reverse sides",
        "Photos of the bottom, side seams, and all interior compartments",
        "White fabric tag in interior pocket not legible in photo 1 - confirm no brand text, but no Coach creed patch visible"
    ],
    "authenticity_concerns": [
        "The visible construction is inconsistent with a vintage Coach classic: synthetic-looking lining, modern framed-clutch design, and no visible creed or Coach identifier",
        "Bright plated-looking frame hardware and generic construction are common on unbranded modern lookalike bags"
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the framed zip-top clutch shape and wrist straps do not correspond to the listed vintage Coach classic silhouettes, and no identifying Coach feature is visible.",
        "Condition appears Like New or New Without Tags based on the seller's 'Never used' statement and photos showing clean, unscuffed exteriors; seller condition text is unverified.",
        "As a likely generic modern clutch set, resale is estimated using the generic secondhand handbag range rather than Coach pricing.",
        "No Coach identifier visible in any of 6 photos - no creed patch, no wordmark, no hangtag, no turnlock",
        "Silhouette is modern mass-market zip-top wristlet clutch set (~12x7 in per tape in photos 2,5,6), not a catalog Coach classic shape",
        "Materials - synthetic-looking exterior, black poly lining, bright plated hardware - inconsistent with vintage glove-tanned unlined Coach classics",
        "Condition: New \/ Like New per seller 'Never used'; photos show clean exteriors, clean interior, no corner wear visible"
    ],
    "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: bright gold-tone rectangular frame hardware and small strap rings; no turnlock or Coach engraving visible",
        "leather_description": "photo 2: smooth, uniform cognac and navy leather-like exterior; material cannot be confirmed as natural leather",
        "lining_description": "photo 1: black fabric or synthetic lining with a zippered interior pocket and a small white fabric label",
        "strap_construction": "photo 2: narrow matching wrist straps attached at the framed sides with small metal rings",
        "stitching_description": "photos 2-4: machine-stitched perimeter seams appear generally even; construction is modern-looking and generic"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0012,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: interior has black synthetic-looking lining and a small fabric label, with no visible Coach creed or wordmark",
                    "photo 2: both bags have a slim rectangular clutch silhouette and bright gold-tone frame hardware unlike classic vintage Coach construction",
                    "photo 3: leather-like smooth exterior and narrow wrist straps appear modern and generic",
                    "photo 4: visible seams and hardware do not show a Coach hangtag, carriage, or identifying stamp",
                    "photo 5: gold-tone frame hardware is plated-looking and includes visible fasteners, not the solid-brass turnlock construction typical of vintage Coach",
                    "photo 6: the bags appear approximately 12 inches wide and 7 inches tall, consistent with generic modern clutches"
                ],
                "missing_information": [
                    "photo 1: the small interior fabric label is too small or angled to read",
                    "A straight-on close-up of any interior label or brand stamp",
                    "Close-ups of the frame hardware, zipper pulls, strap attachments, and reverse sides",
                    "Photos of the bottom, side seams, and all interior compartments"
                ],
                "authenticity_concerns": [
                    "The visible construction is inconsistent with a vintage Coach classic: synthetic-looking lining, modern framed-clutch design, and no visible creed or Coach identifier",
                    "Bright plated-looking frame hardware and generic construction are common on unbranded modern lookalike bags"
                ],
                "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: bright gold-tone rectangular frame hardware and small strap rings; no turnlock or Coach engraving visible",
                    "leather_description": "photo 2: smooth, uniform cognac and navy leather-like exterior; material cannot be confirmed as natural leather",
                    "lining_description": "photo 1: black fabric or synthetic lining with a zippered interior pocket and a small white fabric label",
                    "strap_construction": "photo 2: narrow matching wrist straps attached at the framed sides with small metal rings",
                    "stitching_description": "photos 2-4: machine-stitched perimeter seams appear generally even; construction is modern-looking and generic"
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the framed zip-top clutch shape and wrist straps do not correspond to the listed vintage Coach classic silhouettes, and no identifying Coach feature is visible.",
                    "Condition appears Like New or New Without Tags based on the seller's 'Never used' statement and photos showing clean, unscuffed exteriors; seller condition text is unverified.",
                    "As a likely generic modern clutch set, resale is estimated using the generic secondhand handbag range rather than Coach pricing."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "White fabric tag in interior pocket not legible in photo 1 - confirm no brand text, but no Coach creed patch visible"
                ],
                "negative_evidence": [
                    "photo 1: black synthetic fabric lining with interior zip pocket and small white fabric tag, no leather creed patch visible",
                    "photo 2, photo 4: smooth uniform coated faux-leather with wristlet straps, not glove-tanned leather",
                    "photo 1, photo 5, photo 6: bright gold-tone plated zipper teeth and frame bar, not solid vintage brass",
                    "photo 2-6: modern zip-top wristlet clutch construction with exposed frame bar, no turnlock, no hangtag, no COACH wordmark"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated zipper teeth and rigid side frame bar; wrist-strap D-ring; shiny plated finish, not solid vintage brass",
                    "leather_description": "smooth uniform tan\/cognac and navy material with even sheen, looks like faux \/ coated synthetic, not glove-tanned full-grain",
                    "lining_description": "black polyester fabric lining in photo 1, with interior zip pocket",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight even machine stitching around edges, thread matched to body",
                    "strap_construction": "short wristlet loop strap on each clutch, stitched and riveted to frame",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any of 6 photos - no creed patch, no wordmark, no hangtag, no turnlock",
                    "Silhouette is modern mass-market zip-top wristlet clutch set (~12x7 in per tape in photos 2,5,6), not a catalog Coach classic shape",
                    "Materials - synthetic-looking exterior, black poly lining, bright plated hardware - inconsistent with vintage glove-tanned unlined Coach classics",
                    "Condition: New \/ Like New per seller 'Never used'; photos show clean exteriors, clean interior, no corner wear visible"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17706,
            "output_tokens": 777,
            "total_tokens": 18483,
            "estimated_cost_usd": 0.008947
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18040,
            "output_tokens": 1379,
            "total_tokens": 19419,
            "estimated_cost_usd": 0.004711
        }
    ]
}