Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.635,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.785,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.89,
    "recommended_max_bid": 20,
    "estimated_resale_low": 20,
    "estimated_resale_high": 65,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Structured leather handbag with a flap, top handle, and front clasp is clearly visible.",
        "photo 6: The hide has an exotic-scale pattern consistent with the seller's crocodile description.",
        "photo 3: A maker's plaque visibly reads \u201cCheri,\u201d providing non-Coach branding.",
        "photo 1, photo 4: flap with turn-lock closure - shares generic flap-bag function but geometry and finish are inconsistent with Coach"
    ],
    "negative_evidence": [
        "photo 3: The visible maker's plaque identifies the bag as Cheri rather than Coach.",
        "photo 1: No Coach wordmark, horse-and-carriage, or recognizable Coach branding is visible.",
        "photo 2: The interior is fabric-lined and compartmentalized, with no visible Coach creed patch.",
        "photo 4: The square, blocky clasp is not characteristic evidence of a vintage Coach turnlock.",
        "photo 5: The bag's exotic-skin construction and Cheri branding do not match the common vintage Coach glove-tanned leather catalog.",
        "photo 3: oval metal maker's plaque reads 'cheri' - positive ID as another brand, not Coach",
        "photo 1, photo 5, photo 6: genuine-appearing black crocodile \/ exotic skin body - Coach vintage classics are smooth glove-tanned cowhide, not exotics",
        "photo 2: fabric \/ synthetic lined interior with zip pocket - vintage Coach classics are unlined suede-back glove-tanned",
        "photo 1, photo 4: square gold-tone turn-lock with blocky geometry and plated wear - not Coach thin oval brass turnlock geometry",
        "photo 5: top-handle frame mounts with riveted gold-tone hardware - not a Coach catalog silhouette"
    ],
    "missing_information": [
        "photo request: Straight-on photographs of every interior wall and pocket seam to confirm that no hidden creed or fabric tag is present.",
        "photo request: Full views of the bottom, side gussets, handle attachments, and change purse.",
        "photo request: Any reverse side of the Cheri plaque or additional maker\/manufacturing labels.",
        "Seller-stated dimensions and country of manufacture are not independently visible in the photos.",
        "No Coach creed patch shown (photo 3 shows Cheri plaque instead) - no further Coach identifier to request",
        "No bottom, side, or scale views to assess non-Coach value further"
    ],
    "authenticity_concerns": [
        "photo 3: The visible branding is Cheri, not Coach; this is best treated as a non-Coach handbag rather than a misidentified Coach classic.",
        "photo 2: The interior lining and multi-compartment construction are inconsistent with many classic unlined vintage Coach styles, though some later Coach models were lined.",
        "photo 4: The oversized square clasp is a generic\/lookalike construction cue rather than a documented Coach-specific turnlock geometry."
    ],
    "possible_model_reasoning": [
        "The silhouette is a structured exotic-skin top-handle handbag, but it does not correspond to a specific Coach catalog model based on the visible construction.",
        "The visible Cheri plaque in photo 3 and absence of a Coach creed or wordmark strongly favor a Cheri or other non-Coach maker.",
        "Condition: Good; visible surface wear, creasing, tarnished hardware, and interior signs of use. The full bottom and handle stress points are not shown in detail.",
        "No Coach model fits: Cheri plaque, exotic crocodile body, lined interior, and non-Coach hardware rule out all glove-tanned classic styles (Willis 9927, Court 9870, Station 5130, etc.)",
        "Condition: Good to Very Good as vintage exotic; photo 4 shows hardware tarnish\/wear, exterior shows normal use sheen, interior shows use but no major tears visible; bottom\/corners not shown so capped"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": true,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1 and photo 4: Gold-tone square front clasp with a small rotating central tab; photo 5: gold-tone handle fittings. Hardware shows visible tarnish or wear.",
        "leather_description": "photo 1, photo 5, and photo 6: Black glossy exotic-scale hide with substantial wear, creasing, and surface cracking or abrasion visible in places; exact species and authenticity are not verifiable from photos alone.",
        "lining_description": "photo 2: Black fabric or synthetic-looking lining with multiple compartments and a zippered pocket; material is not definitively identifiable.",
        "strap_construction": "photo 5: Single short top handle attached with gold-tone fittings; no detachable shoulder strap is visible.",
        "stitching_description": "photo 1 and photo 5: Perimeter stitching appears present and generally even, though close-up quality and some edge wear limit assessment."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0004,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.62,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Structured leather handbag with a flap, top handle, and front clasp is clearly visible.",
                    "photo 6: The hide has an exotic-scale pattern consistent with the seller's crocodile description.",
                    "photo 3: A maker's plaque visibly reads \u201cCheri,\u201d providing non-Coach branding."
                ],
                "negative_evidence": [
                    "photo 3: The visible maker's plaque identifies the bag as Cheri rather than Coach.",
                    "photo 1: No Coach wordmark, horse-and-carriage, or recognizable Coach branding is visible.",
                    "photo 2: The interior is fabric-lined and compartmentalized, with no visible Coach creed patch.",
                    "photo 4: The square, blocky clasp is not characteristic evidence of a vintage Coach turnlock.",
                    "photo 5: The bag's exotic-skin construction and Cheri branding do not match the common vintage Coach glove-tanned leather catalog."
                ],
                "missing_information": [
                    "photo request: Straight-on photographs of every interior wall and pocket seam to confirm that no hidden creed or fabric tag is present.",
                    "photo request: Full views of the bottom, side gussets, handle attachments, and change purse.",
                    "photo request: Any reverse side of the Cheri plaque or additional maker\/manufacturing labels.",
                    "Seller-stated dimensions and country of manufacture are not independently visible in the photos."
                ],
                "authenticity_concerns": [
                    "photo 3: The visible branding is Cheri, not Coach; this is best treated as a non-Coach handbag rather than a misidentified Coach classic.",
                    "photo 2: The interior lining and multi-compartment construction are inconsistent with many classic unlined vintage Coach styles, though some later Coach models were lined.",
                    "photo 4: The oversized square clasp is a generic\/lookalike construction cue rather than a documented Coach-specific turnlock geometry."
                ],
                "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": true,
                    "hangtag_present": false,
                    "hardware_description": "photo 1 and photo 4: Gold-tone square front clasp with a small rotating central tab; photo 5: gold-tone handle fittings. Hardware shows visible tarnish or wear.",
                    "leather_description": "photo 1, photo 5, and photo 6: Black glossy exotic-scale hide with substantial wear, creasing, and surface cracking or abrasion visible in places; exact species and authenticity are not verifiable from photos alone.",
                    "lining_description": "photo 2: Black fabric or synthetic-looking lining with multiple compartments and a zippered pocket; material is not definitively identifiable.",
                    "strap_construction": "photo 5: Single short top handle attached with gold-tone fittings; no detachable shoulder strap is visible.",
                    "stitching_description": "photo 1 and photo 5: Perimeter stitching appears present and generally even, though close-up quality and some edge wear limit assessment."
                },
                "possible_model_reasoning": [
                    "The silhouette is a structured exotic-skin top-handle handbag, but it does not correspond to a specific Coach catalog model based on the visible construction.",
                    "The visible Cheri plaque in photo 3 and absence of a Coach creed or wordmark strongly favor a Cheri or other non-Coach maker.",
                    "Condition: Good; visible surface wear, creasing, tarnished hardware, and interior signs of use. The full bottom and handle stress points are not shown in detail."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 25,
                "estimated_resale_low": 20,
                "estimated_resale_high": 70
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.01,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 60,
                "estimated_resale_low": 20,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach creed patch shown (photo 3 shows Cheri plaque instead) - no further Coach identifier to request",
                    "No bottom, side, or scale views to assess non-Coach value further"
                ],
                "negative_evidence": [
                    "photo 3: oval metal maker's plaque reads 'cheri' - positive ID as another brand, not Coach",
                    "photo 1, photo 5, photo 6: genuine-appearing black crocodile \/ exotic skin body - Coach vintage classics are smooth glove-tanned cowhide, not exotics",
                    "photo 2: fabric \/ synthetic lined interior with zip pocket - vintage Coach classics are unlined suede-back glove-tanned",
                    "photo 1, photo 4: square gold-tone turn-lock with blocky geometry and plated wear - not Coach thin oval brass turnlock geometry",
                    "photo 5: top-handle frame mounts with riveted gold-tone hardware - not a Coach catalog silhouette"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone square turn-lock closure with blocky frame (photo 4 shows plating wear\/tarnish); gold-tone top-handle frame mounts (photo 5); no COACH engraving visible",
                    "leather_description": "black glossy crocodile skin with natural scale and pore variation (photo 1, photo 5, photo 6 close-up); not glove-tanned cowhide",
                    "lining_description": "black fabric\/synthetic lining with interior zip pocket and compartments (photo 2)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "dark straight stitching along flap edge visible (photo 1, photo 3); no detailed stitch close-up",
                    "strap_construction": "single short top handle in matching crocodile skin attached via gold-tone frame hardware (photo 5)",
                    "turnlock_present": true
                },
                "positive_evidence": [
                    "photo 1, photo 4: flap with turn-lock closure - shares generic flap-bag function but geometry and finish are inconsistent with Coach"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: Cheri plaque, exotic crocodile body, lined interior, and non-Coach hardware rule out all glove-tanned classic styles (Willis 9927, Court 9870, Station 5130, etc.)",
                    "Condition: Good to Very Good as vintage exotic; photo 4 shows hardware tarnish\/wear, exterior shows normal use sheen, interior shows use but no major tears visible; bottom\/corners not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.65
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18265,
            "output_tokens": 958,
            "total_tokens": 19223,
            "estimated_cost_usd": 0.009605
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18825,
            "output_tokens": 1353,
            "total_tokens": 20178,
            "estimated_cost_usd": 0.004847
        }
    ]
}