Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.74,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.89,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: quilted handbag silhouette is visible, but no Coach wordmark, carriage, creed, or recognizable Coach hardware is shown",
        "photos 1-6: prominent crown-and-pearl center ornament and fine chain handles are not typical vintage Coach identifiers",
        "photos 1-4: padded diamond quilting, zipper construction, and bright gold-tone chain hardware suggest a modern generic fashion bag",
        "photo 5: ruler indicates an approximately 10-inch-wide bag, but the proportions and ornamentation do not match a clearly identifiable Coach catalog model",
        "listing text: seller identifies it as unbranded and describes it as new without tags",
        "photo 1-6: quilted diamond-stitched puffy synthetic-looking material, never used for vintage Coach glove-tanned classics",
        "photo 1-2: thin gold-tone removable chain handles with small eyelets, not solid brass Coach dogleash \/ leather strap construction",
        "photo 1,5,6: decorative crown with pearl drop emblem, not Coach horse-and-carriage or turnlock",
        "photo 4: zip-top closure with no flap or turnlock, no creed patch visible",
        "photo 1-6: no COACH wordmark, no leather hangtag, no creed patch visible in any view"
    ],
    "missing_information": [
        "photo 1-6: interior lining, interior label, and any sewn-in brand or material tag are not shown",
        "photo 1-6: zipper pull and hardware markings are not shown in close-up",
        "photo 1-6: material composition is not verifiable from the photos; it may be synthetic or coated material",
        "photo 1-6: full back, interior, and strap attachment details are limited",
        "photo of interior lining and any interior patch \/ fabric tag",
        "close-up of zipper pull brand stamp",
        "material confirmation - exterior looks synthetic but not confirmed"
    ],
    "authenticity_concerns": [
        "photo 1: crown ornament and quilted chain-handle design are generic brand-evoking features rather than Coach evidence",
        "photo 1-6: no Coach identifier is visible, so there is no basis to associate this bag with Coach manufacture",
        "photo 1-6: no Coach creed, wordmark, hangtag, or horse-and-carriage visible to authenticate",
        "photo 1: crown-and-pearl charm and quilted chain-strap aesthetic is inconsistent with vintage Coach classics"
    ],
    "possible_model_reasoning": [
        "photo 1-6: no Coach model is a reasonable match; the crown charm, padded quilting, and chain handles are consistent with a modern generic fashion purse",
        "photo 5-6: approximate dimensions are visible, but dimensions alone do not support a Coach identification",
        "photo 1-6: condition appears New without tags based on the seller's statement and clean-looking exterior, though interior and odor cannot be assessed",
        "No Coach model fits: silhouette is a quilted zip-top tote with chain strap and crown charm, not a catalog Classic shape like Willis (9927), Court (9870), Dinky (9375) or Station (5130)",
        "Construction points to modern fast-fashion: quilted synthetic, plated chain, decorative charm, zip top",
        "Condition: appears Like New \/ New without tags as seller states; clean exterior in photos 1-6, no corner wear visible, but interior not shown so grade 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 1-6: bright gold-tone chain handles, small circular attachment rings, zipper hardware, and a central crown ornament with a dangling pearl-like bead; no Coach engraving is visible",
        "leather_description": "photo 1-6: smooth padded quilted material is visible; genuine leather versus synthetic material cannot be determined from these photos",
        "lining_description": "not_visible",
        "strap_construction": "photo 1-4: removable-looking fine gold-tone chain handles attach through circular rings at the upper corners",
        "stitching_description": "photo 1-6: regular diagonal quilting stitches are visible; no distinctive Coach construction detail is apparent"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0028,
    "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": 0.88,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: quilted handbag silhouette is visible, but no Coach wordmark, carriage, creed, or recognizable Coach hardware is shown",
                    "photos 1-6: prominent crown-and-pearl center ornament and fine chain handles are not typical vintage Coach identifiers",
                    "photos 1-4: padded diamond quilting, zipper construction, and bright gold-tone chain hardware suggest a modern generic fashion bag",
                    "photo 5: ruler indicates an approximately 10-inch-wide bag, but the proportions and ornamentation do not match a clearly identifiable Coach catalog model",
                    "listing text: seller identifies it as unbranded and describes it as new without tags"
                ],
                "missing_information": [
                    "photo 1-6: interior lining, interior label, and any sewn-in brand or material tag are not shown",
                    "photo 1-6: zipper pull and hardware markings are not shown in close-up",
                    "photo 1-6: material composition is not verifiable from the photos; it may be synthetic or coated material",
                    "photo 1-6: full back, interior, and strap attachment details are limited"
                ],
                "authenticity_concerns": [
                    "photo 1: crown ornament and quilted chain-handle design are generic brand-evoking features rather than Coach evidence",
                    "photo 1-6: no Coach identifier is visible, so there is no basis to associate this bag with 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": "photo 1-6: bright gold-tone chain handles, small circular attachment rings, zipper hardware, and a central crown ornament with a dangling pearl-like bead; no Coach engraving is visible",
                    "leather_description": "photo 1-6: smooth padded quilted material is visible; genuine leather versus synthetic material cannot be determined from these photos",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1-4: removable-looking fine gold-tone chain handles attach through circular rings at the upper corners",
                    "stitching_description": "photo 1-6: regular diagonal quilting stitches are visible; no distinctive Coach construction detail is apparent"
                },
                "possible_model_reasoning": [
                    "photo 1-6: no Coach model is a reasonable match; the crown charm, padded quilting, and chain handles are consistent with a modern generic fashion purse",
                    "photo 5-6: approximate dimensions are visible, but dimensions alone do not support a Coach identification",
                    "photo 1-6: condition appears New without tags based on the seller's statement and clean-looking exterior, though interior and odor cannot be assessed"
                ],
                "confidence": 0.9,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-6: no Coach creed, wordmark, hangtag, or horse-and-carriage visible to authenticate",
                    "photo 1: crown-and-pearl charm and quilted chain-strap aesthetic is inconsistent with vintage Coach classics"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior lining and any interior patch \/ fabric tag",
                    "close-up of zipper pull brand stamp",
                    "material confirmation - exterior looks synthetic but not confirmed"
                ],
                "negative_evidence": [
                    "photo 1-6: quilted diamond-stitched puffy synthetic-looking material, never used for vintage Coach glove-tanned classics",
                    "photo 1-2: thin gold-tone removable chain handles with small eyelets, not solid brass Coach dogleash \/ leather strap construction",
                    "photo 1,5,6: decorative crown with pearl drop emblem, not Coach horse-and-carriage or turnlock",
                    "photo 4: zip-top closure with no flap or turnlock, no creed patch visible",
                    "photo 1-6: no COACH wordmark, no leather hangtag, no creed patch visible in any view"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "thin bright gold-tone chain shoulder strap with small round eyelets and lobster clasps; top zipper with gold-tone pull; front crown-shaped charm with pearl drop",
                    "leather_description": "tan \/ taupe quilted diamond-stitched material with smooth sheen, appears faux \/ PU leather, puffy padded look, not glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "diamond quilt stitching across body, even but clearly decorative quilting, not Coach classic straight seam stitching",
                    "strap_construction": "removable thin gold-tone metal chain, single chain with clasps at ends through metal eyelets",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: silhouette is a quilted zip-top tote with chain strap and crown charm, not a catalog Classic shape like Willis (9927), Court (9870), Dinky (9375) or Station (5130)",
                    "Construction points to modern fast-fashion: quilted synthetic, plated chain, decorative charm, zip top",
                    "Condition: appears Like New \/ New without tags as seller states; clean exterior in photos 1-6, no corner wear visible, but interior not shown so grade 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": 18077,
            "output_tokens": 820,
            "total_tokens": 18897,
            "estimated_cost_usd": 0.009199
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18628,
            "output_tokens": 1136,
            "total_tokens": 19764,
            "estimated_cost_usd": 0.004634
        }
    ]
}