Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.65,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.855,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.87,
    "recommended_max_bid": 15,
    "estimated_resale_low": 15,
    "estimated_resale_high": 50,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather handbag with a flap, shoulder strap, and structured rectangular construction",
        "photo 1: substantial leather and metal hardware are visible",
        "photo 1: leather flap handbag silhouette with shoulder strap",
        "photo 3: solid leather construction with patina consistent with older leather bag"
    ],
    "negative_evidence": [
        "photo 1: elaborate western floral tooling and extensive black whip-stitch edging are not characteristic of the cataloged vintage Coach silhouettes",
        "photo 1: oversized marbled decorative clasp is unlike the elegant vintage Coach turnlock geometry",
        "photo 6: visible strap attachment uses generic hardware and shows substantial green verdigris",
        "photo 2: no Coach wordmark, horse-and-carriage, or other visible Coach identifier",
        "photo 5: interior leather panel shows no visible Coach creed patch or serial number",
        "photo 1: seller identifies the bag as unbranded and the photos provide no contrary brand evidence",
        "photo 1, photo 2: all-over Western hand-tooled floral carving with black background and black whip-stitch lacing - never a Coach classic finish",
        "photo 1, photo 4: closure is brass bar with marbled amber plastic insert, not Coach turnlock geometry",
        "photo 5, photo 6: no creed patch, no COACH wordmark, no hangtag visible in any view",
        "photo 5: dark smooth flap underside with snap, no unlined glove-tanned suede-back Coach interior with creed",
        "photo 6: side gusset and strap show raw suede edges and snap fasteners, not Coach dogleash clips or buckle-adjust construction"
    ],
    "missing_information": [
        "photo 5: a complete, well-lit view of the interior, including every pocket and seam, would confirm whether a hidden label or creed exists",
        "photo 3: full bottom and all four corners for condition assessment",
        "photo 6: complete views of the strap ends and hardware stamps",
        "seller-stated dimensions and any country-of-origin or maker markings",
        "interior main compartment not fully emptied\/shown - no creed patch visible (photos 1-6)",
        "maker's mark \/ interior label not shown",
        "seller-stated dimensions not provided"
    ],
    "authenticity_concerns": [
        "photo 1: construction and decorative treatment are inconsistent with known vintage Coach classic handbag designs",
        "photo 1: the decorative clasp and extensive whip-stitching are more consistent with a generic western tooled-leather bag than Coach",
        "photo 6: green verdigris around hardware suggests age-related corrosion but is not a Coach identifier"
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the ornate western tooling, dark whip-stitch edging, and oversized decorative clasp do not correspond to the listed Coach classic or modern silhouettes.",
        "Era cannot be reliably dated from the available views; worn leather, tooling, and verdigris suggest an older secondhand item, but do not establish a Coach production era.",
        "Condition: Good to Very Good provisionally; visible surface wear, leather creasing, edge wear, and verdigris are present in photos 1, 5, and 6, while the full interior and bottom are not shown.",
        "No Coach model fits: tooled Western floral, laced edges and bar-plastic clasp are outside Coach catalog 1960s-2026",
        "No creed, wordmark, hangtag or Coach turnlock observed to support any style number",
        "Condition: Very Good; leather supple with light wear and tarnished hardware (photo 1-4), flap underside scuffed with verdigris at snap (photo 5), no tears or cracking shown"
    ],
    "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 and photo 4: rectangular brass-tone bar over a marbled cream-and-brown decorative clasp; photo 6: strap hardware with visible green verdigris and unmarked-looking metal",
        "leather_description": "photo 1: brown\/tan leather with extensive raised and carved floral tooling over a dark backing; black whip-stitch edging",
        "lining_description": "photo 5: brown leather interior panel is visible; full lining and pockets are not shown",
        "strap_construction": "photo 1 and photo 6: adjustable leather shoulder strap attached with metal hardware; strap edges and attachment show wear",
        "stitching_description": "photo 1 and photo 2: prominent dark whip-stitching around the perimeter and flap; regular decorative construction, not typical Coach classic construction"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0015,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.75,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather handbag with a flap, shoulder strap, and structured rectangular construction",
                    "photo 1: substantial leather and metal hardware are visible"
                ],
                "negative_evidence": [
                    "photo 1: elaborate western floral tooling and extensive black whip-stitch edging are not characteristic of the cataloged vintage Coach silhouettes",
                    "photo 1: oversized marbled decorative clasp is unlike the elegant vintage Coach turnlock geometry",
                    "photo 6: visible strap attachment uses generic hardware and shows substantial green verdigris",
                    "photo 2: no Coach wordmark, horse-and-carriage, or other visible Coach identifier",
                    "photo 5: interior leather panel shows no visible Coach creed patch or serial number",
                    "photo 1: seller identifies the bag as unbranded and the photos provide no contrary brand evidence"
                ],
                "missing_information": [
                    "photo 5: a complete, well-lit view of the interior, including every pocket and seam, would confirm whether a hidden label or creed exists",
                    "photo 3: full bottom and all four corners for condition assessment",
                    "photo 6: complete views of the strap ends and hardware stamps",
                    "seller-stated dimensions and any country-of-origin or maker markings"
                ],
                "authenticity_concerns": [
                    "photo 1: construction and decorative treatment are inconsistent with known vintage Coach classic handbag designs",
                    "photo 1: the decorative clasp and extensive whip-stitching are more consistent with a generic western tooled-leather bag than Coach",
                    "photo 6: green verdigris around hardware suggests age-related corrosion but is not a Coach identifier"
                ],
                "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 and photo 4: rectangular brass-tone bar over a marbled cream-and-brown decorative clasp; photo 6: strap hardware with visible green verdigris and unmarked-looking metal",
                    "leather_description": "photo 1: brown\/tan leather with extensive raised and carved floral tooling over a dark backing; black whip-stitch edging",
                    "lining_description": "photo 5: brown leather interior panel is visible; full lining and pockets are not shown",
                    "strap_construction": "photo 1 and photo 6: adjustable leather shoulder strap attached with metal hardware; strap edges and attachment show wear",
                    "stitching_description": "photo 1 and photo 2: prominent dark whip-stitching around the perimeter and flap; regular decorative construction, not typical Coach classic construction"
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the ornate western tooling, dark whip-stitch edging, and oversized decorative clasp do not correspond to the listed Coach classic or modern silhouettes.",
                    "Era cannot be reliably dated from the available views; worn leather, tooling, and verdigris suggest an older secondhand item, but do not establish a Coach production era.",
                    "Condition: Good to Very Good provisionally; visible surface wear, leather creasing, edge wear, and verdigris are present in photos 1, 5, and 6, while the full interior and bottom are not shown."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 50
            }
        },
        {
            "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": 50,
                "estimated_resale_low": 20,
                "image_quality_score": 0.85,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior main compartment not fully emptied\/shown - no creed patch visible (photos 1-6)",
                    "maker's mark \/ interior label not shown",
                    "seller-stated dimensions not provided"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: all-over Western hand-tooled floral carving with black background and black whip-stitch lacing - never a Coach classic finish",
                    "photo 1, photo 4: closure is brass bar with marbled amber plastic insert, not Coach turnlock geometry",
                    "photo 5, photo 6: no creed patch, no COACH wordmark, no hangtag visible in any view",
                    "photo 5: dark smooth flap underside with snap, no unlined glove-tanned suede-back Coach interior with creed",
                    "photo 6: side gusset and strap show raw suede edges and snap fasteners, not Coach dogleash clips or buckle-adjust construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone bar closure with marbled cream\/brown plastic insert (photo 4); small brass D-rings and snap hardware on strap ends with verdigris (photo 5, photo 6)",
                    "leather_description": "tan vegetable-tanned leather with deep hand-tooled floral and leaf carving, dark stained background, black laced edges (photo 1, photo 2, photo 3)",
                    "lining_description": "not_visible as fabric lining; visible interior is dark brown smooth leather flap underside (photo 5) and tan leather gusset (photo 6)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "no conventional stitching visible; black leather whip-stitch \/ lacing around all edges (photo 1, photo 2, photo 3)",
                    "strap_construction": "flat tan leather shoulder strap, snap-button detachable ends to side D-rings (photo 1, photo 2, photo 6)",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: leather flap handbag silhouette with shoulder strap",
                    "photo 3: solid leather construction with patina consistent with older leather bag"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: tooled Western floral, laced edges and bar-plastic clasp are outside Coach catalog 1960s-2026",
                    "No creed, wordmark, hangtag or Coach turnlock observed to support any style number",
                    "Condition: Very Good; leather supple with light wear and tarnished hardware (photo 1-4), flap underside scuffed with verdigris at snap (photo 5), no tears or cracking shown"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.55
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 24437,
            "output_tokens": 840,
            "total_tokens": 25277,
            "estimated_cost_usd": 0.011791
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 25336,
            "output_tokens": 1418,
            "total_tokens": 26754,
            "estimated_cost_usd": 0.006202
        }
    ]
}