Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.735,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.855,
    "recommended_max_bid": 5.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Western-style circular silhouette with heavily embossed exotic-skin pattern, studs, and no visible Coach branding.",
        "photo 2: Interior appears fabric-lined with a zipper closure; this is inconsistent with many classic unlined vintage Coach styles.",
        "photo 4: Bottom construction uses numerous decorative studs and dark edge piping, unlike typical vintage Coach construction.",
        "photo 6: Zipper and hardware appear modern and plated; no Coach-stamped pull, creed, or recognizable Coach identifier is visible.",
        "photo 1: round western circle silhouette with all-over ostrich-dot and croc embossing - no matching vintage Coach catalog silhouette",
        "photo 1, photo 3: shiny coated embossed exotic-print material, not smooth matte glove-tanned cowhide",
        "photo 2: brown synthetic fabric lining, not unlined suede-back glove-tanned interior of classics",
        "photo 2, photo 6: silver-tone zip-top closure, not solid brass turnlock or Talon brass zipper",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 4: large cone stud feet and black edge paint - inconsistent with 1970s-1990s Coach construction"
    ],
    "missing_information": [
        "A straight-on photo of every interior wall and pocket to confirm whether any brand label or creed is present.",
        "Close-ups of the zipper pull, hardware, and all strap attachments.",
        "A photo of the reverse, sides, and any interior sewn-in labels.",
        "No creed patch or brand stamp visible in any photo - no close-up of interior pocket seams to confirm absence",
        "No hardware brand stamps legible",
        "Seller-stated dimensions and materials not provided"
    ],
    "authenticity_concerns": [
        "The bag has generic Western\/exotic embossing and decorative hardware but no visible Coach identifier, strongly suggesting a non-Coach lookalike or unrelated brand.",
        "The fabric-lined interior, modern zipper construction, and studded exterior do not form a consistent classic vintage Coach profile."
    ],
    "possible_model_reasoning": [
        "The circular Western silhouette and embossed decorative surface do not closely match a documented Coach model.",
        "No creed, serial\/style number, wordmark, horse-and-carriage, or Coach hangtag is visible in the six photos.",
        "Condition: Good to Very Good based on visible surface wear and hardware wear; interior and underside condition are only partially shown.",
        "No Coach model fits: round zip-top western canteen shape, exotic-embossed coated material, fabric lining and silver hardware are inconsistent with all Classic glove-tanned era styles (City Bag 9790, Willis 9927, Court 9870, Station 5130, Duffle Sac 9085, etc.)",
        "Era reasoning: construction, materials and western fast-fashion styling indicate modern (2000s+) non-Coach manufacture",
        "Condition: Good; surface scuffing and edge wear visible (photo 4, photo 5), interior lining wrinkled but intact (photo 2), hardware tarnished (photo 6)"
    ],
    "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\/photo 4\/photo 6: dark and gold-tone plated hardware, decorative studs, rings, and zipper; no Coach engraving visible.",
        "leather_description": "photo 1\/photo 3\/photo 4: brown material with embossed ostrich-like and reptile-like textures; exact material cannot be confirmed from photos.",
        "lining_description": "photo 2: beige\/gray fabric lining is visible; no label or creed is visible.",
        "strap_construction": "photo 1\/photo 6: short top handle and attached strap elements with ring hardware; full strap construction is not shown.",
        "stitching_description": "photo 2\/photo 4: visible machine stitching and dark edge piping; detail is insufficient to evaluate Coach-specific construction."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0011,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Western-style circular silhouette with heavily embossed exotic-skin pattern, studs, and no visible Coach branding.",
                    "photo 2: Interior appears fabric-lined with a zipper closure; this is inconsistent with many classic unlined vintage Coach styles.",
                    "photo 4: Bottom construction uses numerous decorative studs and dark edge piping, unlike typical vintage Coach construction.",
                    "photo 6: Zipper and hardware appear modern and plated; no Coach-stamped pull, creed, or recognizable Coach identifier is visible."
                ],
                "missing_information": [
                    "A straight-on photo of every interior wall and pocket to confirm whether any brand label or creed is present.",
                    "Close-ups of the zipper pull, hardware, and all strap attachments.",
                    "A photo of the reverse, sides, and any interior sewn-in labels."
                ],
                "authenticity_concerns": [
                    "The bag has generic Western\/exotic embossing and decorative hardware but no visible Coach identifier, strongly suggesting a non-Coach lookalike or unrelated brand.",
                    "The fabric-lined interior, modern zipper construction, and studded exterior do not form a consistent classic vintage Coach profile."
                ],
                "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\/photo 4\/photo 6: dark and gold-tone plated hardware, decorative studs, rings, and zipper; no Coach engraving visible.",
                    "leather_description": "photo 1\/photo 3\/photo 4: brown material with embossed ostrich-like and reptile-like textures; exact material cannot be confirmed from photos.",
                    "lining_description": "photo 2: beige\/gray fabric lining is visible; no label or creed is visible.",
                    "strap_construction": "photo 1\/photo 6: short top handle and attached strap elements with ring hardware; full strap construction is not shown.",
                    "stitching_description": "photo 2\/photo 4: visible machine stitching and dark edge piping; detail is insufficient to evaluate Coach-specific construction."
                },
                "possible_model_reasoning": [
                    "The circular Western silhouette and embossed decorative surface do not closely match a documented Coach model.",
                    "No creed, serial\/style number, wordmark, horse-and-carriage, or Coach hangtag is visible in the six photos.",
                    "Condition: Good to Very Good based on visible surface wear and hardware wear; interior and underside condition are only partially shown."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "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": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "No creed patch or brand stamp visible in any photo - no close-up of interior pocket seams to confirm absence",
                    "No hardware brand stamps legible",
                    "Seller-stated dimensions and materials not provided"
                ],
                "negative_evidence": [
                    "photo 1: round western circle silhouette with all-over ostrich-dot and croc embossing - no matching vintage Coach catalog silhouette",
                    "photo 1, photo 3: shiny coated embossed exotic-print material, not smooth matte glove-tanned cowhide",
                    "photo 2: brown synthetic fabric lining, not unlined suede-back glove-tanned interior of classics",
                    "photo 2, photo 6: silver-tone zip-top closure, not solid brass turnlock or Talon brass zipper",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 4: large cone stud feet and black edge paint - inconsistent with 1970s-1990s Coach construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone zipper with leather tassel pull (photo 2, photo 6), four large silver-tone cone stud feet on bottom (photo 4); no brass turnlock, no stamped pulls visible",
                    "leather_description": "dark brown material with embossed ostrich-dot quills and croc-scale panels, high sheen coated appearance (photo 1, photo 3); not glove-tanned smooth cowhide, appears faux\/embossed",
                    "lining_description": "brown-tan fabric lining visible inside open zip compartment (photo 2), no suede, no creed patch visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "perimeter edge stitching around circular panels (photo 1), edge binding visible on handle and sides (photo 5); no detailed stitch evenness legible",
                    "strap_construction": "short double top handles in same embossed material with edge coating (photo 1, photo 5); no buckle adjustment, no dogleash clips, no detachable crossbody strap shown",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: round zip-top western canteen shape, exotic-embossed coated material, fabric lining and silver hardware are inconsistent with all Classic glove-tanned era styles (City Bag 9790, Willis 9927, Court 9870, Station 5130, Duffle Sac 9085, etc.)",
                    "Era reasoning: construction, materials and western fast-fashion styling indicate modern (2000s+) non-Coach manufacture",
                    "Condition: Good; surface scuffing and edge wear visible (photo 4, photo 5), interior lining wrinkled but intact (photo 2), hardware tarnished (photo 6)"
                ],
                "possible_models": [],
                "recommended_max_bid": 6,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17695,
            "output_tokens": 734,
            "total_tokens": 18429,
            "estimated_cost_usd": 0.00884
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18029,
            "output_tokens": 1346,
            "total_tokens": 19375,
            "estimated_cost_usd": 0.004683
        }
    ]
}