Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.06,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.83,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.89,
    "recommended_max_bid": 10,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: ornate embossed floral panels, extensive chain strap, studs, and decorative buckle are not characteristic of documented vintage Coach classics",
        "photo 1: central clasp resembles an oversized decorative equestrian-style ornament rather than a Coach turnlock",
        "photo 2: construction includes prominent decorative hardware and embossed contrasting panels unlike typical Coach glove-tanned leather construction",
        "photo 6: visible fabric-lined interior and modern zipper construction are inconsistent with many classic unlined vintage Coach silhouettes",
        "photos 1-7: no legible Coach wordmark, horse-and-carriage mark, creed, serial\/style number, or Coach hangtag is visible",
        "photo 1: all-over embossed floral western-tooled two-tone pattern with studs and oversized western buckle - never a Coach classic treatment",
        "photo 5: brown synthetic fabric lining throughout interior - vintage Coach classics are unlined suede-back glove-tanned",
        "photo 1,2,3,6: chain-link O-ring shoulder strap through grommets plus side flap pockets and back zip pocket - silhouette matches no Coach catalog style",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag, no turnlock visible in any view"
    ],
    "missing_information": [
        "photo 6: close-up of the entire interior, including all labels, pockets, and seams",
        "photo 6: close-up of any interior leather or fabric brand tag",
        "photo 1: close-up of the central clasp and all hardware markings",
        "photo 1: close-up of the zipper pulls and strap attachment hardware",
        "seller-stated dimensions and material composition are not provided",
        "photo of any interior leather creed patch or fabric brand tag in raking light to confirm absence of Coach identifier",
        "photo of zipper-pull brand stamp and back-side hardware engravings"
    ],
    "authenticity_concerns": [
        "photos 1-7: the bag has strong lookalike-brand cues, including an oversized decorative equestrian-style clasp, elaborate floral embossing, chain strap, studs, and contrasting panels rather than recognizable Coach construction",
        "photos 1-7: absence of any visible Coach identifier substantially limits support for Coach manufacture"
    ],
    "possible_model_reasoning": [
        "photos 1-7: silhouette is a decorative structured shoulder bag with multiple exterior pockets and a chain strap, but it does not closely match the listed vintage Coach City Bag, Willis, Court, Station, or other catalog classics",
        "photos 1-7: the embossed floral body, ornate clasp, and chain hardware point more strongly to a generic or alternative fashion-brand bag than Coach",
        "condition: Very Good based on visible intact structure and stitching, with minor apparent handling wear; interior, odor, and hidden corners are not fully assessable",
        "No Coach identifier visible in six photos including front, sides, bottom, back and open interior - no creed, wordmark, hangtag or turnlock",
        "Construction - embossed western floral, studs, chain-grommet strap, fabric lining, western buckle - is inconsistent with any 1970s-1990s glove-tanned Coach classic or 2000s Coach line",
        "Condition: Very Good; exterior embossing clean, bottom feet intact and corners clean (photo 4), interior appears clean (photo 5), no visible tears or hardware failure; odor\/mold unknown"
    ],
    "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": "photos 1-7: bronze\/gunmetal-tone chain strap, multiple circular chain links, studs, grommets, zipper hardware, and an ornate central buckle-like clasp; no Coach engraving is legible",
        "leather_description": "photos 1-7: brown and black heavily embossed floral material with contrasting panels; exact material is not confirmed from photos and it does not visibly resemble smooth glove-tanned Coach leather",
        "lining_description": "photo 6: dark fabric lining with interior zip pocket and additional seams; brand label is not visible",
        "strap_construction": "photos 1-7: short shoulder strap with large linked metal chain sections and stitched dark strap sections",
        "stitching_description": "photos 1-7: visible machine stitching appears generally even around panels and edges; decorative lacing\/studs are prominent; no Coach-specific construction feature is visible"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0006,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: ornate embossed floral panels, extensive chain strap, studs, and decorative buckle are not characteristic of documented vintage Coach classics",
                    "photo 1: central clasp resembles an oversized decorative equestrian-style ornament rather than a Coach turnlock",
                    "photo 2: construction includes prominent decorative hardware and embossed contrasting panels unlike typical Coach glove-tanned leather construction",
                    "photo 6: visible fabric-lined interior and modern zipper construction are inconsistent with many classic unlined vintage Coach silhouettes",
                    "photos 1-7: no legible Coach wordmark, horse-and-carriage mark, creed, serial\/style number, or Coach hangtag is visible"
                ],
                "missing_information": [
                    "photo 6: close-up of the entire interior, including all labels, pockets, and seams",
                    "photo 6: close-up of any interior leather or fabric brand tag",
                    "photo 1: close-up of the central clasp and all hardware markings",
                    "photo 1: close-up of the zipper pulls and strap attachment hardware",
                    "seller-stated dimensions and material composition are not provided"
                ],
                "authenticity_concerns": [
                    "photos 1-7: the bag has strong lookalike-brand cues, including an oversized decorative equestrian-style clasp, elaborate floral embossing, chain strap, studs, and contrasting panels rather than recognizable Coach construction",
                    "photos 1-7: absence of any visible Coach identifier substantially limits support for Coach manufacture"
                ],
                "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": "photos 1-7: bronze\/gunmetal-tone chain strap, multiple circular chain links, studs, grommets, zipper hardware, and an ornate central buckle-like clasp; no Coach engraving is legible",
                    "leather_description": "photos 1-7: brown and black heavily embossed floral material with contrasting panels; exact material is not confirmed from photos and it does not visibly resemble smooth glove-tanned Coach leather",
                    "lining_description": "photo 6: dark fabric lining with interior zip pocket and additional seams; brand label is not visible",
                    "strap_construction": "photos 1-7: short shoulder strap with large linked metal chain sections and stitched dark strap sections",
                    "stitching_description": "photos 1-7: visible machine stitching appears generally even around panels and edges; decorative lacing\/studs are prominent; no Coach-specific construction feature is visible"
                },
                "possible_model_reasoning": [
                    "photos 1-7: silhouette is a decorative structured shoulder bag with multiple exterior pockets and a chain strap, but it does not closely match the listed vintage Coach City Bag, Willis, Court, Station, or other catalog classics",
                    "photos 1-7: the embossed floral body, ornate clasp, and chain hardware point more strongly to a generic or alternative fashion-brand bag than Coach",
                    "condition: Very Good based on visible intact structure and stitching, with minor apparent handling wear; interior, odor, and hidden corners are not fully assessable"
                ],
                "confidence": 0.9,
                "recommended_max_bid": 10,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "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": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.78,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of any interior leather creed patch or fabric brand tag in raking light to confirm absence of Coach identifier",
                    "photo of zipper-pull brand stamp and back-side hardware engravings"
                ],
                "negative_evidence": [
                    "photo 1: all-over embossed floral western-tooled two-tone pattern with studs and oversized western buckle - never a Coach classic treatment",
                    "photo 5: brown synthetic fabric lining throughout interior - vintage Coach classics are unlined suede-back glove-tanned",
                    "photo 1,2,3,6: chain-link O-ring shoulder strap through grommets plus side flap pockets and back zip pocket - silhouette matches no Coach catalog style",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag, no turnlock visible in any view"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "antiqued brass-tone large O-ring chain links, grommets, all-over dome studs, large ornate western buckle decoration on front flap, base feet, top zip with rectangular pull; plated costume hardware, not solid brass turnlock hardware",
                    "leather_description": "two-tone taupe and dark brown floral-embossed tooled-look material with sheen; appears coated faux\/embossed PU, not matte glove-tanned cowhide",
                    "lining_description": "photo 5: brown polyester fabric lining with interior slip and zip pockets",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible edge topstitching tone-matched, plus decorative lacing and stud trim; no evidence of vintage Coach tight even matched stitching",
                    "strap_construction": "short shoulder strap combining faux-leather top section with large metal O-ring chain links anchored through metal grommets",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in six photos including front, sides, bottom, back and open interior - no creed, wordmark, hangtag or turnlock",
                    "Construction - embossed western floral, studs, chain-grommet strap, fabric lining, western buckle - is inconsistent with any 1970s-1990s glove-tanned Coach classic or 2000s Coach line",
                    "Condition: Very Good; exterior embossing clean, bottom feet intact and corners clean (photo 4), interior appears clean (photo 5), no visible tears or hardware failure; odor\/mold unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.1
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28769,
            "output_tokens": 866,
            "total_tokens": 29635,
            "estimated_cost_usd": 0.013586
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30082,
            "output_tokens": 1294,
            "total_tokens": 31376,
            "estimated_cost_usd": 0.007052
        }
    ]
}