Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.03,
    "vintage_probability": 0.715,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.67,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.84,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a structured leather handbag with flap closure and adjustable strap.",
        "photo 1: Aged brown leather, floral tooling, and hand-laced\/whipstitched edges are consistent with a vintage Western or artisan leather bag.",
        "photo 2: Bottom construction and visible scuffing support substantial leather construction.",
        "photo 5: flap front with turning-tab closure present",
        "photo 2: structured leather handbag with patina consistent with aged leather"
    ],
    "negative_evidence": [
        "photo 1: Extensive floral tooling and edge lacing are not characteristic of Coach's classic glove-tanned handbag designs.",
        "photo 1: No visible COACH wordmark, horse-and-carriage mark, or Coach hangtag.",
        "photo 1: The closure appears to be a small generic decorative buckle\/turn-lock rather than the elegant standard Coach turnlock geometry.",
        "photo 3: The strap has repeating tooled rosette decoration, a construction cue more typical of artisan\/Western leather goods than Coach classics.",
        "photo 5: Side construction uses prominent contrasting whipstitching\/lacing, with no visible Coach identifier.",
        "photo 1,5,6: all-over floral and foliage tooling across front\/back\/sides - Coach classics are smooth glove-tanned tone-on-tone, never tooled",
        "photo 1,2,5,6: leather whipstitch\/laced edges around body - never used on vintage Coach classics",
        "photo 3,4: adjustable handle with repeating tooled rosette stamping - not a Coach strap construction",
        "photos 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photo 2,5,6: Western tooled silhouette and finish inconsistent with any Coach catalog style"
    ],
    "missing_information": [
        "photo 1-6: No straight-on interior photo showing the back wall, interior pocket, or any maker label.",
        "photo 1-6: No close-up of the closure hardware, including its back plate and any stamp.",
        "photo 1-6: No close-up of all interior surfaces or the underside of the flap.",
        "photo 1-6: No photo of any hidden maker, country, or date marking.",
        "interior emptied views showing back wall \/ pockets where creed would sit - not shown",
        "creed close-up in raking light - not shown",
        "turnlock front and back plate close-up - not shown",
        "hangtag both faces if present - not shown"
    ],
    "authenticity_concerns": [
        "photo 1: The bag has a generic tooled Western\/artisan design with no Coach-specific branding or construction evidence.",
        "photo 1 and photo 5: Prominent decorative tooling and whipstitching do not match the usual silhouettes and construction of the cataloged vintage Coach classics.",
        "photo 1-6: Coach manufacture cannot be supported from the visible evidence; it should be treated as an unbranded leather handbag rather than a Coach find.",
        "photo 1,5: all-over deeply embossed floral tooling and whipstitch lacing are entirely outside Coach leather, construction and design vocabulary"
    ],
    "possible_model_reasoning": [
        "The rectangular flap silhouette is superficially compatible with many vintage leather shoulder bags, but it does not provide a credible match to a specific Coach model.",
        "The visible tooling, lacing, and decorated strap point more strongly to an unbranded Western\/artisan handbag than to Coach.",
        "Condition: Fair\/rehab; photo 1 shows substantial surface wear, while photos 5-6 show missing or broken edge lacing. Interior condition and odor are unknown.",
        "No Coach catalog match: tooling, whipstitch lacing and tooled strap exclude City Bag, Willis, Court, Station, Dinky and other classics",
        "Era reasoning: Western tooled style suggests vintage non-Coach hand-tooled bag, but no identifier to date; emitted as non-Coach",
        "Condition: Good to Fair; surface scuffs, base\/handle wear and broken\/missing whipstitch lacing visible in photos 2,5,6, unfinished interior with age marks per seller text, interior 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 5: Small antiqued brass-tone flap closure is visible; no branding is legible. The closure appears generic rather than a clearly identifiable Coach turnlock.",
        "leather_description": "photo 1-6: Brown leather with extensive floral tooling, patina, scratches, color variation, and edge wear. Several laced\/whipstitched sections appear broken or missing.",
        "lining_description": "not_visible",
        "strap_construction": "photo 3-4: Adjustable leather strap with repeated tooled rosette motifs, buckle adjustment, and visible wear.",
        "stitching_description": "photo 1, photo 5-6: Decorative leather whipstitching\/lacing runs around the edges; portions are visibly missing or damaged."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0027,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.78,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.79,
                "seller_misidentification_probability": 0.05,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a structured leather handbag with flap closure and adjustable strap.",
                    "photo 1: Aged brown leather, floral tooling, and hand-laced\/whipstitched edges are consistent with a vintage Western or artisan leather bag.",
                    "photo 2: Bottom construction and visible scuffing support substantial leather construction."
                ],
                "negative_evidence": [
                    "photo 1: Extensive floral tooling and edge lacing are not characteristic of Coach's classic glove-tanned handbag designs.",
                    "photo 1: No visible COACH wordmark, horse-and-carriage mark, or Coach hangtag.",
                    "photo 1: The closure appears to be a small generic decorative buckle\/turn-lock rather than the elegant standard Coach turnlock geometry.",
                    "photo 3: The strap has repeating tooled rosette decoration, a construction cue more typical of artisan\/Western leather goods than Coach classics.",
                    "photo 5: Side construction uses prominent contrasting whipstitching\/lacing, with no visible Coach identifier."
                ],
                "missing_information": [
                    "photo 1-6: No straight-on interior photo showing the back wall, interior pocket, or any maker label.",
                    "photo 1-6: No close-up of the closure hardware, including its back plate and any stamp.",
                    "photo 1-6: No close-up of all interior surfaces or the underside of the flap.",
                    "photo 1-6: No photo of any hidden maker, country, or date marking."
                ],
                "authenticity_concerns": [
                    "photo 1: The bag has a generic tooled Western\/artisan design with no Coach-specific branding or construction evidence.",
                    "photo 1 and photo 5: Prominent decorative tooling and whipstitching do not match the usual silhouettes and construction of the cataloged vintage Coach classics.",
                    "photo 1-6: Coach manufacture cannot be supported from the visible evidence; it should be treated as an unbranded leather handbag rather than a Coach find."
                ],
                "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 5: Small antiqued brass-tone flap closure is visible; no branding is legible. The closure appears generic rather than a clearly identifiable Coach turnlock.",
                    "leather_description": "photo 1-6: Brown leather with extensive floral tooling, patina, scratches, color variation, and edge wear. Several laced\/whipstitched sections appear broken or missing.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 3-4: Adjustable leather strap with repeated tooled rosette motifs, buckle adjustment, and visible wear.",
                    "stitching_description": "photo 1, photo 5-6: Decorative leather whipstitching\/lacing runs around the edges; portions are visibly missing or damaged."
                },
                "possible_model_reasoning": [
                    "The rectangular flap silhouette is superficially compatible with many vintage leather shoulder bags, but it does not provide a credible match to a specific Coach model.",
                    "The visible tooling, lacing, and decorated strap point more strongly to an unbranded Western\/artisan handbag than to Coach.",
                    "Condition: Fair\/rehab; photo 1 shows substantial surface wear, while photos 5-6 show missing or broken edge lacing. Interior condition and odor are unknown."
                ],
                "confidence": 0.83,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1,5: all-over deeply embossed floral tooling and whipstitch lacing are entirely outside Coach leather, construction and design vocabulary"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior emptied views showing back wall \/ pockets where creed would sit - not shown",
                    "creed close-up in raking light - not shown",
                    "turnlock front and back plate close-up - not shown",
                    "hangtag both faces if present - not shown"
                ],
                "negative_evidence": [
                    "photo 1,5,6: all-over floral and foliage tooling across front\/back\/sides - Coach classics are smooth glove-tanned tone-on-tone, never tooled",
                    "photo 1,2,5,6: leather whipstitch\/laced edges around body - never used on vintage Coach classics",
                    "photo 3,4: adjustable handle with repeating tooled rosette stamping - not a Coach strap construction",
                    "photos 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photo 2,5,6: Western tooled silhouette and finish inconsistent with any Coach catalog style"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "antiqued brass-tone turn-lock closure and buckle-adjustable strap hardware visible in photos 2,3,5,6; turnlock geometry not clearly shown, no COACH stamping visible",
                    "leather_description": "medium brown genuine leather with all-over deeply embossed floral tooling and patina, scuffs and color variation visible in photos 1-2",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "no conventional stitched seams visible; edges finished with leather whipstitch\/lacing, broken\/missing in areas per photos 2,5,6",
                    "strap_construction": "photo 3,4: single adjustable tooled leather handle\/shoulder strap with buckle holes and metal buckle and slide, tooled rosette pattern",
                    "turnlock_present": true
                },
                "positive_evidence": [
                    "photo 5: flap front with turning-tab closure present",
                    "photo 2: structured leather handbag with patina consistent with aged leather"
                ],
                "possible_model_reasoning": [
                    "No Coach catalog match: tooling, whipstitch lacing and tooled strap exclude City Bag, Willis, Court, Station, Dinky and other classics",
                    "Era reasoning: Western tooled style suggests vintage non-Coach hand-tooled bag, but no identifier to date; emitted as non-Coach",
                    "Condition: Good to Fair; surface scuffs, base\/handle wear and broken\/missing whipstitch lacing visible in photos 2,5,6, unfinished interior with age marks per seller text, interior not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.65
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18347,
            "output_tokens": 948,
            "total_tokens": 19295,
            "estimated_cost_usd": 0.009614
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18910,
            "output_tokens": 1508,
            "total_tokens": 20418,
            "estimated_cost_usd": 0.004988
        }
    ]
}