Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.865,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 20,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a small zip-top crossbody handbag with detachable-looking long strap and wristlet strap.",
        "photo 2: Gold-tone chain is interwoven with pink material, consistent with a modern fashion accessory rather than classic vintage Coach construction."
    ],
    "negative_evidence": [
        "photo 1: Exterior is quilted pink fabric or synthetic material with a glossy\/velvet-like surface, not visible glove-tanned leather.",
        "photo 1: Chain-and-fabric strap and decorative chevron quilting do not match the listed vintage Coach silhouettes.",
        "photo 2: Hardware is bright gold-tone and includes a large modern zipper pull; no Coach-marked hardware is visible.",
        "photo 4: Interior is black synthetic-looking fabric lining, with no visible leather creed patch or Coach label.",
        "photo 5: Back is plain synthetic\/fabric material with no wordmark, carriage emblem, or other Coach identifier.",
        "photo 1: Seller identifies the item as unbranded, and the photographs provide no contrary Coach evidence.",
        "photo 1, photo 2: pink chevron-quilted velvet \/ velour body - not Coach glove-tanned cowhide, not coated canvas",
        "photo 3, photo 4: black thin synthetic lining with slip pocket, no leather creed patch on back wall or in pocket",
        "photo 1, photo 2, photo 5: bright gold-tone plated chain interwoven with fabric and lobster-clasp clips - not solid brass vintage hardware",
        "photo 1-5: no COACH wordmark, no horse-and-carriage, no leather hangtag, no turnlock visible",
        "photo 1, photo 5: zip-top pouch \/ wristlet with detachable chain crossbody strap silhouette does not match any vintage Coach catalog classic"
    ],
    "missing_information": [
        "photo 4: A sharp, straight-on photograph of every interior label, pocket, and seam tag.",
        "photo 2: Close-ups of both sides of the zipper pull, chain attachments, and any hidden hardware markings.",
        "photo 1: Exact dimensions and material composition, including whether the exterior is polyester, velvet, faux leather, or another synthetic.",
        "photo 3, photo 4: interior shown open but no legible maker label - close-up of small white tag glimpsed in pocket would confirm maker",
        "photo 2, photo 4: zipper-pull and clasp brand stamps not legible in current resolution"
    ],
    "authenticity_concerns": [
        "photo 1: The material, quilted construction, chain strap, and modern bright hardware are inconsistent with the classic vintage Coach leather handbag population.",
        "photo 4: Synthetic lining and absence of a visible creed or Coach label support an unbranded modern fashion bag rather than a Coach product."
    ],
    "possible_model_reasoning": [
        "photo 1: The small rectangular zip crossbody shape is not a recognizable vintage Coach catalog model and lacks the leather, turnlock, creed, or classic strap construction associated with Coach.",
        "photo 4: The black synthetic-looking lining and modern zipper construction suggest a contemporary unbranded fashion accessory.",
        "photo 1: Condition appears Very Good overall; the bag is visibly used but shows no clearly severe structural damage. Interior and underside details remain limited.",
        "No Coach identifiers visible in any photo - no creed, no wordmark, no hangtag, no solid-brass turnlock - so no Coach model fits",
        "Construction - quilted velvet body, synthetic lining, plated chain strap, zip-top pouch form - is modern fast-fashion, not 1970s-1990s unlined glove-tanned Coach",
        "Condition: Like New \/ Excellent; clean exterior quilting (photo 1, photo 2), clean interior (photo 3, photo 4), no visible wear"
    ],
    "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: Bright gold-tone zipper pull, rings, clips, and interwoven chain strap; no Coach engraving is visible.",
        "leather_description": "photo 1: Pink quilted fabric or synthetic material with a shiny\/velvet-like finish; leather is not established.",
        "lining_description": "photo 4: Black fabric or synthetic lining with an interior zip compartment; no creed or brand label is visible.",
        "strap_construction": "photo 1: Long gold-tone chain interwoven with pink material, with detachable clip ends; separate pink wristlet-style strap is visible.",
        "stitching_description": "photo 2: Visible parallel chevron quilting and perimeter stitching appear generally even; fine construction details are limited by the photos."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0018,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a small zip-top crossbody handbag with detachable-looking long strap and wristlet strap.",
                    "photo 2: Gold-tone chain is interwoven with pink material, consistent with a modern fashion accessory rather than classic vintage Coach construction."
                ],
                "negative_evidence": [
                    "photo 1: Exterior is quilted pink fabric or synthetic material with a glossy\/velvet-like surface, not visible glove-tanned leather.",
                    "photo 1: Chain-and-fabric strap and decorative chevron quilting do not match the listed vintage Coach silhouettes.",
                    "photo 2: Hardware is bright gold-tone and includes a large modern zipper pull; no Coach-marked hardware is visible.",
                    "photo 4: Interior is black synthetic-looking fabric lining, with no visible leather creed patch or Coach label.",
                    "photo 5: Back is plain synthetic\/fabric material with no wordmark, carriage emblem, or other Coach identifier.",
                    "photo 1: Seller identifies the item as unbranded, and the photographs provide no contrary Coach evidence."
                ],
                "missing_information": [
                    "photo 4: A sharp, straight-on photograph of every interior label, pocket, and seam tag.",
                    "photo 2: Close-ups of both sides of the zipper pull, chain attachments, and any hidden hardware markings.",
                    "photo 1: Exact dimensions and material composition, including whether the exterior is polyester, velvet, faux leather, or another synthetic."
                ],
                "authenticity_concerns": [
                    "photo 1: The material, quilted construction, chain strap, and modern bright hardware are inconsistent with the classic vintage Coach leather handbag population.",
                    "photo 4: Synthetic lining and absence of a visible creed or Coach label support an unbranded modern fashion bag rather than a Coach product."
                ],
                "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: Bright gold-tone zipper pull, rings, clips, and interwoven chain strap; no Coach engraving is visible.",
                    "leather_description": "photo 1: Pink quilted fabric or synthetic material with a shiny\/velvet-like finish; leather is not established.",
                    "lining_description": "photo 4: Black fabric or synthetic lining with an interior zip compartment; no creed or brand label is visible.",
                    "strap_construction": "photo 1: Long gold-tone chain interwoven with pink material, with detachable clip ends; separate pink wristlet-style strap is visible.",
                    "stitching_description": "photo 2: Visible parallel chevron quilting and perimeter stitching appear generally even; fine construction details are limited by the photos."
                },
                "possible_model_reasoning": [
                    "photo 1: The small rectangular zip crossbody shape is not a recognizable vintage Coach catalog model and lacks the leather, turnlock, creed, or classic strap construction associated with Coach.",
                    "photo 4: The black synthetic-looking lining and modern zipper construction suggest a contemporary unbranded fashion accessory.",
                    "photo 1: Condition appears Very Good overall; the bag is visibly used but shows no clearly severe structural damage. Interior and underside details remain limited."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "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": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo 3, photo 4: interior shown open but no legible maker label - close-up of small white tag glimpsed in pocket would confirm maker",
                    "photo 2, photo 4: zipper-pull and clasp brand stamps not legible in current resolution"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: pink chevron-quilted velvet \/ velour body - not Coach glove-tanned cowhide, not coated canvas",
                    "photo 3, photo 4: black thin synthetic lining with slip pocket, no leather creed patch on back wall or in pocket",
                    "photo 1, photo 2, photo 5: bright gold-tone plated chain interwoven with fabric and lobster-clasp clips - not solid brass vintage hardware",
                    "photo 1-5: no COACH wordmark, no horse-and-carriage, no leather hangtag, no turnlock visible",
                    "photo 1, photo 5: zip-top pouch \/ wristlet with detachable chain crossbody strap silhouette does not match any vintage Coach catalog classic"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated chain strap interwoven with pink fabric, lobster-clasp ends, rectangular zip pull; lightweight plated appearance, not solid brass",
                    "leather_description": "not leather in photos - pink dusty-rose velvet \/ velour with chevron quilting on front, plain velvet on back (photo 5)",
                    "lining_description": "black thin polyester fabric lining with interior slip pocket (photo 3, photo 4)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "chevron quilting stitches on front, edge stitching around zip pouch; no tight leather saddle-stitching visible",
                    "strap_construction": "detachable long chain-and-fabric crossbody strap on lobster clips plus attached fabric wristlet strap",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifiers visible in any photo - no creed, no wordmark, no hangtag, no solid-brass turnlock - so no Coach model fits",
                    "Construction - quilted velvet body, synthetic lining, plated chain strap, zip-top pouch form - is modern fast-fashion, not 1970s-1990s unlined glove-tanned Coach",
                    "Condition: Like New \/ Excellent; clean exterior quilting (photo 1, photo 2), clean interior (photo 3, photo 4), no visible wear"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 26496,
            "output_tokens": 827,
            "total_tokens": 27323,
            "estimated_cost_usd": 0.012583
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 27640,
            "output_tokens": 1363,
            "total_tokens": 29003,
            "estimated_cost_usd": 0.006618
        }
    ]
}