Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.09,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.805,
    "seller_misidentification_probability": 0.065,
    "confidence": 0.87,
    "recommended_max_bid": 8,
    "estimated_resale_low": 9,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a small crossbody handbag with a functional top zipper.",
        "photo 2: metallic leather-like exterior and decorative gold-tone hardware are visible."
    ],
    "negative_evidence": [
        "photo 1: oversized lion-head medallion and extensive stud decoration are not characteristic of the documented vintage Coach classic construction.",
        "photo 2: no COACH wordmark, horse-and-carriage mark, or leather Coach hangtag is visible.",
        "photo 5: interior is fabric-lined and shows no visible Coach creed patch or fabric identification tag.",
        "photo 6: the bag uses a thin cord-style strap with a knotted end rather than a typical vintage Coach adjustable leather strap or detachable brass clip construction.",
        "photo 1: bright metallic finish, decorative studs, and plated-looking hardware are inconsistent with a typical unlined glove-tanned Coach classic.",
        "photo 1,2,3,6: metallic gold coated finish with sheen, not matte glove-tanned cowhide",
        "photo 1,2,3,6: large decorative lion-head medallion with stud field as front decoration - not Coach turnlock geometry or horse-and-carriage",
        "photo 1,2,3,6: zip-top closure with thin unstructured pouch silhouette, no flap + turnlock classic construction",
        "photo 5: light-colored synthetic fabric lining, not unlined suede-back glove-tanned interior",
        "photo 1-6: no creed patch, no COACH wordmark, no hangtag, no solid-brass hardware visible",
        "photo 2,4,6: very thin strap with simple knot, no buckle-adjustable or dogleash-clip construction"
    ],
    "missing_information": [
        "A straight-on close-up of the entire interior, including all pockets and seams, to confirm there is no hidden brand or fabric tag.",
        "Close-up photographs of the zipper pull, strap attachment points, and lion-head hardware for maker markings.",
        "Seller-stated material confirmation; the photos cannot establish whether the exterior is genuine leather or synthetic.",
        "photo 5: interior shown but no creed patch or brand tag visible - close-up of seam tags needed to confirm maker",
        "photo 2,3,6: no turnlock, hangtag, wordmark or creed visible in any view",
        "photo 4: back panel plain with no pocket or markings shown"
    ],
    "authenticity_concerns": [
        "No Coach identifiers are visible, and the lion-head ornament appears to be a generic decorative motif rather than a Coach mark.",
        "The fabric-lined, metallic, heavily embellished construction is inconsistent with the likely 1970s\u20131990s vintage Coach styles suggested by the listing language.",
        "No creed, serial\/style number, hangtag, or Coach wordmark is visible across the supplied views."
    ],
    "possible_model_reasoning": [
        "No documented Coach model is a close match for the small metallic, studded, lion-medallion crossbody silhouette.",
        "The seller's 'Y2K' description is broadly compatible with a 2000s fashion-accessory bag, but the era is based on styling rather than a visible date code.",
        "Condition: Very Good visually; the exterior has substantial wrinkling and finish variation, but no obvious tears or broken hardware are visible. Interior odor, hidden stains, and strap integrity remain unknown.",
        "No Coach model fits: zip pouch with lion medallion, metallic finish, fabric lining and knotted thin strap matches no catalog style in \u00a74",
        "Era reasoning: materials and Y2K styling point to modern (2000s+) fast-fashion, non-Coach",
        "Condition: Excellent \/ Like New; seller states Amazing Condition; photos show shiny uniform finish with no corner wear, stains or damage visible (photo 1-6), interior clean (photo 5)"
    ],
    "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": "Gold-tone lion-head centerpiece, rows of small gold-tone studs, and zipper hardware visible; no Coach engraving is legible.",
        "leather_description": "Wrinkled metallic gold\/silver leather-like exterior is visible; genuine leather versus synthetic material cannot be confirmed from photographs.",
        "lining_description": "Light-colored fabric lining is visible in photo 5; no brand label or creed patch is visible.",
        "strap_construction": "Thin matching metallic cord-style crossbody strap with a knotted end; not a typical vintage Coach leather strap construction.",
        "stitching_description": "Exterior bottom stitching appears machine-stitched and generally even; detailed stress-point construction is not fully visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0018,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.1,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a small crossbody handbag with a functional top zipper.",
                    "photo 2: metallic leather-like exterior and decorative gold-tone hardware are visible."
                ],
                "negative_evidence": [
                    "photo 1: oversized lion-head medallion and extensive stud decoration are not characteristic of the documented vintage Coach classic construction.",
                    "photo 2: no COACH wordmark, horse-and-carriage mark, or leather Coach hangtag is visible.",
                    "photo 5: interior is fabric-lined and shows no visible Coach creed patch or fabric identification tag.",
                    "photo 6: the bag uses a thin cord-style strap with a knotted end rather than a typical vintage Coach adjustable leather strap or detachable brass clip construction.",
                    "photo 1: bright metallic finish, decorative studs, and plated-looking hardware are inconsistent with a typical unlined glove-tanned Coach classic."
                ],
                "missing_information": [
                    "A straight-on close-up of the entire interior, including all pockets and seams, to confirm there is no hidden brand or fabric tag.",
                    "Close-up photographs of the zipper pull, strap attachment points, and lion-head hardware for maker markings.",
                    "Seller-stated material confirmation; the photos cannot establish whether the exterior is genuine leather or synthetic."
                ],
                "authenticity_concerns": [
                    "No Coach identifiers are visible, and the lion-head ornament appears to be a generic decorative motif rather than a Coach mark.",
                    "The fabric-lined, metallic, heavily embellished construction is inconsistent with the likely 1970s\u20131990s vintage Coach styles suggested by the listing language.",
                    "No creed, serial\/style number, hangtag, or Coach wordmark is visible across the supplied views."
                ],
                "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": "Gold-tone lion-head centerpiece, rows of small gold-tone studs, and zipper hardware visible; no Coach engraving is legible.",
                    "leather_description": "Wrinkled metallic gold\/silver leather-like exterior is visible; genuine leather versus synthetic material cannot be confirmed from photographs.",
                    "lining_description": "Light-colored fabric lining is visible in photo 5; no brand label or creed patch is visible.",
                    "strap_construction": "Thin matching metallic cord-style crossbody strap with a knotted end; not a typical vintage Coach leather strap construction.",
                    "stitching_description": "Exterior bottom stitching appears machine-stitched and generally even; detailed stress-point construction is not fully visible."
                },
                "possible_model_reasoning": [
                    "No documented Coach model is a close match for the small metallic, studded, lion-medallion crossbody silhouette.",
                    "The seller's 'Y2K' description is broadly compatible with a 2000s fashion-accessory bag, but the era is based on styling rather than a visible date code.",
                    "Condition: Very Good visually; the exterior has substantial wrinkling and finish variation, but no obvious tears or broken hardware are visible. Interior odor, hidden stains, and strap integrity remain unknown."
                ],
                "confidence": 0.89,
                "recommended_max_bid": 8,
                "estimated_resale_low": 8,
                "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": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 5: interior shown but no creed patch or brand tag visible - close-up of seam tags needed to confirm maker",
                    "photo 2,3,6: no turnlock, hangtag, wordmark or creed visible in any view",
                    "photo 4: back panel plain with no pocket or markings shown"
                ],
                "negative_evidence": [
                    "photo 1,2,3,6: metallic gold coated finish with sheen, not matte glove-tanned cowhide",
                    "photo 1,2,3,6: large decorative lion-head medallion with stud field as front decoration - not Coach turnlock geometry or horse-and-carriage",
                    "photo 1,2,3,6: zip-top closure with thin unstructured pouch silhouette, no flap + turnlock classic construction",
                    "photo 5: light-colored synthetic fabric lining, not unlined suede-back glove-tanned interior",
                    "photo 1-6: no creed patch, no COACH wordmark, no hangtag, no solid-brass hardware visible",
                    "photo 2,4,6: very thin strap with simple knot, no buckle-adjustable or dogleash-clip construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "zip-top with dark-tone zipper pull (photo 2,5); front gold-tone studs and large lion-head medallion applique (photo 1,2,3,6); no turnlock, no brass dogleash clips, no COACH stamping visible",
                    "leather_description": "metallic gold shiny coated material, soft and wrinkled, not matte full-grain glove-tanned cowhide (photo 1-4,6)",
                    "lining_description": "off-white \/ cream synthetic fabric lining visible in interior view (photo 5)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight edge stitching around top and bottom visible (photo 3,4); no detailed stitching close-up shown",
                    "strap_construction": "very thin same-material crossbody strap, non-adjustable, knotted at end (photo 2,4,6)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: zip pouch with lion medallion, metallic finish, fabric lining and knotted thin strap matches no catalog style in \u00a74",
                    "Era reasoning: materials and Y2K styling point to modern (2000s+) fast-fashion, non-Coach",
                    "Condition: Excellent \/ Like New; seller states Amazing Condition; photos show shiny uniform finish with no corner wear, stains or damage visible (photo 1-6), interior clean (photo 5)"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.1
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18103,
            "output_tokens": 894,
            "total_tokens": 18997,
            "estimated_cost_usd": 0.009387
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18654,
            "output_tokens": 1410,
            "total_tokens": 20064,
            "estimated_cost_usd": 0.004859
        }
    ]
}