Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.805,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.865,
    "recommended_max_bid": 8,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather or leather-like crossbody handbag with multiple zip compartments and an adjustable strap"
    ],
    "negative_evidence": [
        "photo 2: no Coach wordmark, horse-and-carriage, creed patch, or recognizable Coach hardware is visible",
        "photo 2: hardware is silver\/antique mixed-tone rather than the solid brass hardware typical of many vintage Coach classics",
        "photo 3: interior has a synthetic-looking fabric lining and black leather-like center divider, not the unlined suede-backed construction expected of many vintage Coach classics",
        "photo 1: design uses prominent dark contrast straps, buckles, and numerous utility pockets, without a distinctive Coach vintage silhouette",
        "photo 4: rear construction and zipper pulls show no visible Coach markings",
        "photo 1, photo 2, photo 4: zip-top crossbody with decorative buckle straps and front flap pocket - no turnlock, no Coach catalog silhouette match",
        "photo 3: fully lined interior with grey woven synthetic lining, not unlined glove-tanned suede-back leather",
        "photo 2, photo 4, photo 5: uniform pebbled coated material with synthetic sheen and two-tone brown trim, not vintage glove-tanned cowhide",
        "photo 2, photo 4, photo 5: silver-tone plated buckles, D-rings and oval zip pulls, not solid brass vintage hardware",
        "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
    ],
    "missing_information": [
        "photo 3: no straight-on interior-back-wall photo showing whether a small creed patch or fabric brand tag is hidden elsewhere",
        "photo 3: zipper pulls and interior labels should be photographed at close range for any maker markings",
        "seller-stated dimensions and material composition are not provided",
        "photo of any interior leather creed patch or fabric brand tag in raking light",
        "close-up of hardware engravings \/ zipper-pull brand marks",
        "bottom and corner close-ups to confirm material and wear"
    ],
    "authenticity_concerns": [
        "photo 2: the visible construction lacks the identifiers and era-consistent details needed to support Coach manufacture",
        "photo 3: fabric-lined construction and modern utility styling are inconsistent with a typical 1970s\u20131990s unlined glove-tanned Coach classic"
    ],
    "possible_model_reasoning": [
        "photo 1: silhouette is a generic modern multi-pocket crossbody, not a close match to the listed vintage Coach catalog styles",
        "photo 3: visible fabric lining and zippered divider point to a modern construction rather than a classic unlined Coach glove-tanned bag",
        "photo 1: condition appears Good to Very Good; visible creasing, surface wear, and lower-corner softening are present, while no major tears or broken hardware are visible; odor and hidden interior condition are unknown",
        "No Coach model match: zip-top multi-pocket crossbody with exterior buckle decoration and back zip pocket does not correspond to City Bag, Willis, Court, Station, Dinky or other classic; no creed, wordmark, turnlock or brass to support Coach manufacture",
        "Era reasoning: synthetic lining, plated hardware, coated pebbled material and fashion crossbody styling indicate modern (2000s+) non-Coach fast-fashion bag",
        "Condition: Very Good; exterior looks clean with light bottom softening (photo 4), strap intact (photo 5), interior clean (photo 3); no bottom close-up 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": false,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1: multiple silver\/antique-tone rectangular buckles, rings, snap studs, and oval zipper pulls; no Coach engraving is visible",
        "leather_description": "photo 1: burgundy\/mauve pebbled leather or leather-like exterior with visible creasing; exact material cannot be confirmed",
        "lining_description": "photo 3: dark gray\/black fabric lining and a black leather-like zippered divider are visible",
        "strap_construction": "photos 1 and 5: long adjustable dark contrast strap with stitched edges, buckle adjustment, and detachable clip attachments",
        "stitching_description": "photos 2 and 4: generally even machine stitching is visible; some stress creasing and wear appear around the lower corners and strap hardware"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0016,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.04,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather or leather-like crossbody handbag with multiple zip compartments and an adjustable strap"
                ],
                "negative_evidence": [
                    "photo 2: no Coach wordmark, horse-and-carriage, creed patch, or recognizable Coach hardware is visible",
                    "photo 2: hardware is silver\/antique mixed-tone rather than the solid brass hardware typical of many vintage Coach classics",
                    "photo 3: interior has a synthetic-looking fabric lining and black leather-like center divider, not the unlined suede-backed construction expected of many vintage Coach classics",
                    "photo 1: design uses prominent dark contrast straps, buckles, and numerous utility pockets, without a distinctive Coach vintage silhouette",
                    "photo 4: rear construction and zipper pulls show no visible Coach markings"
                ],
                "missing_information": [
                    "photo 3: no straight-on interior-back-wall photo showing whether a small creed patch or fabric brand tag is hidden elsewhere",
                    "photo 3: zipper pulls and interior labels should be photographed at close range for any maker markings",
                    "seller-stated dimensions and material composition are not provided"
                ],
                "authenticity_concerns": [
                    "photo 2: the visible construction lacks the identifiers and era-consistent details needed to support Coach manufacture",
                    "photo 3: fabric-lined construction and modern utility styling are inconsistent with a typical 1970s\u20131990s unlined glove-tanned Coach classic"
                ],
                "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: multiple silver\/antique-tone rectangular buckles, rings, snap studs, and oval zipper pulls; no Coach engraving is visible",
                    "leather_description": "photo 1: burgundy\/mauve pebbled leather or leather-like exterior with visible creasing; exact material cannot be confirmed",
                    "lining_description": "photo 3: dark gray\/black fabric lining and a black leather-like zippered divider are visible",
                    "strap_construction": "photos 1 and 5: long adjustable dark contrast strap with stitched edges, buckle adjustment, and detachable clip attachments",
                    "stitching_description": "photos 2 and 4: generally even machine stitching is visible; some stress creasing and wear appear around the lower corners and strap hardware"
                },
                "possible_model_reasoning": [
                    "photo 1: silhouette is a generic modern multi-pocket crossbody, not a close match to the listed vintage Coach catalog styles",
                    "photo 3: visible fabric lining and zippered divider point to a modern construction rather than a classic unlined Coach glove-tanned bag",
                    "photo 1: condition appears Good to Very Good; visible creasing, surface wear, and lower-corner softening are present, while no major tears or broken hardware are visible; odor and hidden interior condition are unknown"
                ],
                "confidence": 0.88,
                "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": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of any interior leather creed patch or fabric brand tag in raking light",
                    "close-up of hardware engravings \/ zipper-pull brand marks",
                    "bottom and corner close-ups to confirm material and wear"
                ],
                "negative_evidence": [
                    "photo 1, photo 2, photo 4: zip-top crossbody with decorative buckle straps and front flap pocket - no turnlock, no Coach catalog silhouette match",
                    "photo 3: fully lined interior with grey woven synthetic lining, not unlined glove-tanned suede-back leather",
                    "photo 2, photo 4, photo 5: uniform pebbled coated material with synthetic sheen and two-tone brown trim, not vintage glove-tanned cowhide",
                    "photo 2, photo 4, photo 5: silver-tone plated buckles, D-rings and oval zip pulls, not solid brass vintage hardware",
                    "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone \/ antique-nickel-tone plated buckles, D-rings, rivets and oval zip pulls; no solid brass, no turnlock, no COACH stamping visible",
                    "leather_description": "red burgundy pebbled grain coated material with sheen and contrasting dark brown trim; appears faux \/ heavily coated, not glove-tanned full-grain cowhide",
                    "lining_description": "photo 3: grey woven synthetic fabric lining with center zip divider; fully lined",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible contrast topstitching around pockets and trim, even machine stitching; thread matched to panels",
                    "strap_construction": "dark brown adjustable crossbody strap with buckle slider and snap tab, attached via metal D-rings \/ clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model match: zip-top multi-pocket crossbody with exterior buckle decoration and back zip pocket does not correspond to City Bag, Willis, Court, Station, Dinky or other classic; no creed, wordmark, turnlock or brass to support Coach manufacture",
                    "Era reasoning: synthetic lining, plated hardware, coated pebbled material and fashion crossbody styling indicate modern (2000s+) non-Coach fast-fashion bag",
                    "Condition: Very Good; exterior looks clean with light bottom softening (photo 4), strap intact (photo 5), interior clean (photo 3); no bottom close-up so capped"
                ],
                "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": 26487,
            "output_tokens": 800,
            "total_tokens": 27287,
            "estimated_cost_usd": 0.012515
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 27627,
            "output_tokens": 1270,
            "total_tokens": 28897,
            "estimated_cost_usd": 0.006541
        }
    ]
}