Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.885,
    "seller_misidentification_probability": 0.07,
    "confidence": 0.89,
    "recommended_max_bid": 9,
    "estimated_resale_low": 10,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a structured leather-look shoulder\/tote handbag with gold-tone hardware and a detachable crossbody strap.",
        "photo 2: Side construction, zippered compartments, and strap attachments are visible."
    ],
    "negative_evidence": [
        "photo 1: No legible COACH wordmark, horse-and-carriage, leather hangtag, or vintage Coach turnlock is visible.",
        "photo 3: Interior shows a small rectangular label, but it does not visibly present a Coach creed or readable Coach branding.",
        "photos 1-5: The silhouette, multiple exterior zippers, gold-tone hardware, lining, pouch, and decorative tassel read as a modern mass-market design rather than a classic vintage Coach style.",
        "photos 1-5: Professional white-background product photography and the unbranded listing provide no provenance or seller-specific evidence.",
        "photo 1, photo 2, photo 3, photo 4: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
        "photo 3: beige synthetic fabric lining with zip pocket - vintage Coach classics are unlined suede; fabric lining with modern construction is non-Coach cue",
        "photo 1, photo 2, photo 3: bright gold-tone plated zippers, rings, feet and buckle - not solid vintage brass with patina",
        "photo 1, photo 3: modern fast-fashion silhouette - slouchy zip-top hobo with center seam, front tassel fob, and matching zip wristlet pouch - no match in Coach catalog",
        "photo 1, photo 4: uniform pebble-embossed coated material with painted\/dark edge coat, no glove-tanned grain, scars or patina"
    ],
    "missing_information": [
        "photo 3: A sharp straight-on close-up of the interior label and any fabric tags is needed.",
        "photos 1-5: No close-up of zipper pulls, hardware backs, or material edges is provided.",
        "photos 1-5: Seller-stated material composition, dimensions, country of manufacture, and condition are absent.",
        "photo 3: The interior should be photographed emptied and the label enlarged enough to read.",
        "No creed patch visible in any view; close-up of interior pocket wall would confirm absence (photo 3 shows interior but no creed)",
        "No hardware brand stamps legible; close-up of zipper pulls would confirm generic hardware"
    ],
    "authenticity_concerns": [
        "photos 1-5: No Coach identifier is visible, so the bag is best treated as a generic modern handbag rather than a misidentified vintage Coach bag.",
        "photos 1-5: The contemporary lined construction, multiple zip compartments, and coordinated accessory pouch are inconsistent with the classic unlined glove-tanned Coach silhouettes in the vintage catalog."
    ],
    "possible_model_reasoning": [
        "The bag does not closely match the listed classic Coach models because it lacks a flap-and-turnlock closure and has a modern zip-top, multi-compartment tote\/hobo construction.",
        "photo 3: The small interior label is insufficient to identify a Coach model or date because its text cannot be read.",
        "Condition: Appears new or lightly used in professionally lit product photos, but actual wear, odor, and material condition cannot be verified from stock-style images.",
        "No Coach model matches: shape, zip-top hobo with side zips, tassel, detachable pouch and fabric lining does not correspond to City Bag, Willis, Court, Station, Duffle Sac, Ergo or other catalog styles",
        "Era reasoning: construction, plated hardware, fabric lining and 2-piece hobo+pouch set indicate modern mass-market bag, hence modern (2000s+), non-Coach",
        "Condition: appears New\/unused studio product photos; no wear visible but condition grading for resale is new fast-fashion, not vintage tier"
    ],
    "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 1-5: Gold-tone zippers, rings, buckles, lobster-style clips, and four bottom feet are visible; no Coach engraving is legible.",
        "leather_description": "photos 1-5: Brown smooth-grained leather-like material with uniform finish; genuine leather versus synthetic material cannot be established from these photos.",
        "lining_description": "photo 3: Light beige fabric lining with an interior zip pocket and a small rectangular label; label text is not readable.",
        "strap_construction": "photos 1-3: One fixed shoulder strap and one detachable adjustable crossbody strap with gold-tone clips; a detachable wristlet pouch is also visible.",
        "stitching_description": "photos 1-5: Machine-stitched seams appear generally straight and even, with dark contrasting edge piping 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": 0.03,
                "image_quality_score": 0.92,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a structured leather-look shoulder\/tote handbag with gold-tone hardware and a detachable crossbody strap.",
                    "photo 2: Side construction, zippered compartments, and strap attachments are visible."
                ],
                "negative_evidence": [
                    "photo 1: No legible COACH wordmark, horse-and-carriage, leather hangtag, or vintage Coach turnlock is visible.",
                    "photo 3: Interior shows a small rectangular label, but it does not visibly present a Coach creed or readable Coach branding.",
                    "photos 1-5: The silhouette, multiple exterior zippers, gold-tone hardware, lining, pouch, and decorative tassel read as a modern mass-market design rather than a classic vintage Coach style.",
                    "photos 1-5: Professional white-background product photography and the unbranded listing provide no provenance or seller-specific evidence."
                ],
                "missing_information": [
                    "photo 3: A sharp straight-on close-up of the interior label and any fabric tags is needed.",
                    "photos 1-5: No close-up of zipper pulls, hardware backs, or material edges is provided.",
                    "photos 1-5: Seller-stated material composition, dimensions, country of manufacture, and condition are absent.",
                    "photo 3: The interior should be photographed emptied and the label enlarged enough to read."
                ],
                "authenticity_concerns": [
                    "photos 1-5: No Coach identifier is visible, so the bag is best treated as a generic modern handbag rather than a misidentified vintage Coach bag.",
                    "photos 1-5: The contemporary lined construction, multiple zip compartments, and coordinated accessory pouch are inconsistent with the classic unlined glove-tanned Coach silhouettes in the vintage catalog."
                ],
                "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 1-5: Gold-tone zippers, rings, buckles, lobster-style clips, and four bottom feet are visible; no Coach engraving is legible.",
                    "leather_description": "photos 1-5: Brown smooth-grained leather-like material with uniform finish; genuine leather versus synthetic material cannot be established from these photos.",
                    "lining_description": "photo 3: Light beige fabric lining with an interior zip pocket and a small rectangular label; label text is not readable.",
                    "strap_construction": "photos 1-3: One fixed shoulder strap and one detachable adjustable crossbody strap with gold-tone clips; a detachable wristlet pouch is also visible.",
                    "stitching_description": "photos 1-5: Machine-stitched seams appear generally straight and even, with dark contrasting edge piping visible."
                },
                "possible_model_reasoning": [
                    "The bag does not closely match the listed classic Coach models because it lacks a flap-and-turnlock closure and has a modern zip-top, multi-compartment tote\/hobo construction.",
                    "photo 3: The small interior label is insufficient to identify a Coach model or date because its text cannot be read.",
                    "Condition: Appears new or lightly used in professionally lit product photos, but actual wear, odor, and material condition cannot be verified from stock-style images."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 10,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "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": 0.85,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No creed patch visible in any view; close-up of interior pocket wall would confirm absence (photo 3 shows interior but no creed)",
                    "No hardware brand stamps legible; close-up of zipper pulls would confirm generic hardware"
                ],
                "negative_evidence": [
                    "photo 1, photo 2, photo 3, photo 4: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
                    "photo 3: beige synthetic fabric lining with zip pocket - vintage Coach classics are unlined suede; fabric lining with modern construction is non-Coach cue",
                    "photo 1, photo 2, photo 3: bright gold-tone plated zippers, rings, feet and buckle - not solid vintage brass with patina",
                    "photo 1, photo 3: modern fast-fashion silhouette - slouchy zip-top hobo with center seam, front tassel fob, and matching zip wristlet pouch - no match in Coach catalog",
                    "photo 1, photo 4: uniform pebble-embossed coated material with painted\/dark edge coat, no glove-tanned grain, scars or patina"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated hardware: top zipper with rectangular pulls, side zippers, D-rings, swivel clips, buckle, dome base feet; shiny plated finish, not solid vintage brass",
                    "leather_description": "tan-brown pebble-embossed material with uniform grain and slight sheen, dark painted edges; appears coated faux\/PU leather, not glove-tanned full-grain cowhide",
                    "lining_description": "photo 3: light beige\/taupe fabric lining visible inside main compartment and zip pocket",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching tone-on-tone, center seam double-row on body; no irregularities visible",
                    "strap_construction": "short flat shoulder strap attached with D-rings and snap loops plus detachable longer crossbody strap with buckle adjustment and swivel clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model matches: shape, zip-top hobo with side zips, tassel, detachable pouch and fabric lining does not correspond to City Bag, Willis, Court, Station, Duffle Sac, Ergo or other catalog styles",
                    "Era reasoning: construction, plated hardware, fabric lining and 2-piece hobo+pouch set indicate modern mass-market bag, hence modern (2000s+), non-Coach",
                    "Condition: appears New\/unused studio product photos; no wear visible but condition grading for resale is new fast-fashion, not vintage tier"
                ],
                "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": 21778,
            "output_tokens": 905,
            "total_tokens": 22683,
            "estimated_cost_usd": 0.010883
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 22853,
            "output_tokens": 1160,
            "total_tokens": 24013,
            "estimated_cost_usd": 0.005499
        }
    ]
}