Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.225,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.765,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.84,
    "recommended_max_bid": 11.5,
    "estimated_resale_low": 10,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a leather shoulder handbag with a top zipper and long shoulder strap."
    ],
    "negative_evidence": [
        "photo 1: No visible Coach wordmark, horse-and-carriage, creed patch, hangtag, or characteristic vintage Coach turnlock.",
        "photo 2: The bag has a soft, heavily paneled design and decorative tied strap detail unlike the listed classic vintage Coach silhouettes.",
        "photo 5: Interior shows a sewn fabric label that appears to read a non-Coach leather brand; no Coach creed is visible.",
        "photo 5: Fabric-lined interior and modern-looking zipper construction provide no support for a 1970s\u20131980s unlined glove-tanned Coach classic.",
        "photo 1: Hardware is limited to a zipper and does not show the solid-brass turnlock or other identifying hardware typical of many vintage Coach bags.",
        "photo 1, photo 2: no turnlock, no brass hardware, no hangtag, no COACH wordmark visible",
        "photo 5: interior has black woven fabric lining with generic Genuine Leather tag, not unlined suede-back glove-tanned with stamped leather creed",
        "photo 1, photo 2: zip-top slouchy hobo with knotted tubular strap and multi-panel pieced body does not match any vintage Coach classic silhouette",
        "photo 3, photo 4: thin soft garment-type gray leather with pieced seams, not thick smooth glove-tanned cowhide"
    ],
    "missing_information": [
        "Straight-on close-up of the entire interior, including all pockets and seams, to confirm that no brand or creed is hidden.",
        "Close-up of the zipper pull and any hardware markings.",
        "Bottom, strap attachments, and all interior labels in sharper light.",
        "Seller-stated dimensions and confirmation of the material and country of manufacture.",
        "bottom and corner close-ups not shown",
        "zipper pull brand stamp not legible",
        "seller-stated dimensions not provided"
    ],
    "authenticity_concerns": [
        "The visible construction and interior labeling are inconsistent with a recognizable vintage Coach classic and instead suggest another leather handbag brand.",
        "The seller's claimed 1980s dating is unsupported by the visible construction; the bag appears more plausibly late-1990s or 2000s+.",
        "photo 5: generic 'Genuine Leather HECHO EN MEXICO' fabric tag indicates non-Coach maker, not a Coach creed patch",
        "photo 1, photo 2: silhouette, zip-top hobo with knotted fixed strap and pieced thin panels has no match in Coach catalog"
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the tied padded strap, paneled body, top-zip closure, and fabric lining do not correspond to the listed classic Coach silhouettes.",
        "Condition: Good; visible creasing and substantial wrinkling across the leather, with no clear holes or broken hardware in the supplied photos. Interior condition and odor are unknown.",
        "The visible non-Coach-looking interior label and absence of Coach identifiers outweigh the generic leather construction.",
        "No Coach model fits: zip-top knotted-strap hobo with fabric lining and generic Mexico tag is inconsistent with City Bag, Willis, Court, Station, Duffle Sac and other 1980s-90s classics which are turnlock flap or bucket, unlined glove-tanned with brass hardware and stamped leather creed",
        "Era reasoning: seller calls it 80s, construction and Mexico generic tag are consistent with 1980s-2000s non-Coach soft leather bag, but no Coach identifier to date; emitting modern (2000s+), non-Coach",
        "Condition: Very Good to Good; leather shows soft wrinkles and slouch but no visible corner wear-through, tears or stains in photos 1-3; interior lining looks intact in photos 5-6; bottom, strap fold and odor not assessable"
    ],
    "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 2: Top zipper with a small metal pull; no Coach engraving is legible. Other hardware is not visible.",
        "leather_description": "photos 1-4: Soft, thin-looking gray leather with a smooth, slightly glossy finish, extensive wrinkling, and decorative pieced\/paneled construction.",
        "lining_description": "photo 5: Dark fabric lining is visible; a sewn label appears to contain non-Coach branding and the word Leather, but the full text is not clearly legible.",
        "strap_construction": "photos 1-4: Long padded leather shoulder strap with a prominent tied\/decorative leather detail at one side; no adjustable buckle or detachable Coach-style clips are visible.",
        "stitching_description": "photos 1-3: Multiple visible panel seams with generally even machine stitching; some areas are obscured by folds and lighting."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0065,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.05,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a leather shoulder handbag with a top zipper and long shoulder strap."
                ],
                "negative_evidence": [
                    "photo 1: No visible Coach wordmark, horse-and-carriage, creed patch, hangtag, or characteristic vintage Coach turnlock.",
                    "photo 2: The bag has a soft, heavily paneled design and decorative tied strap detail unlike the listed classic vintage Coach silhouettes.",
                    "photo 5: Interior shows a sewn fabric label that appears to read a non-Coach leather brand; no Coach creed is visible.",
                    "photo 5: Fabric-lined interior and modern-looking zipper construction provide no support for a 1970s\u20131980s unlined glove-tanned Coach classic.",
                    "photo 1: Hardware is limited to a zipper and does not show the solid-brass turnlock or other identifying hardware typical of many vintage Coach bags."
                ],
                "missing_information": [
                    "Straight-on close-up of the entire interior, including all pockets and seams, to confirm that no brand or creed is hidden.",
                    "Close-up of the zipper pull and any hardware markings.",
                    "Bottom, strap attachments, and all interior labels in sharper light.",
                    "Seller-stated dimensions and confirmation of the material and country of manufacture."
                ],
                "authenticity_concerns": [
                    "The visible construction and interior labeling are inconsistent with a recognizable vintage Coach classic and instead suggest another leather handbag brand.",
                    "The seller's claimed 1980s dating is unsupported by the visible construction; the bag appears more plausibly late-1990s or 2000s+."
                ],
                "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 2: Top zipper with a small metal pull; no Coach engraving is legible. Other hardware is not visible.",
                    "leather_description": "photos 1-4: Soft, thin-looking gray leather with a smooth, slightly glossy finish, extensive wrinkling, and decorative pieced\/paneled construction.",
                    "lining_description": "photo 5: Dark fabric lining is visible; a sewn label appears to contain non-Coach branding and the word Leather, but the full text is not clearly legible.",
                    "strap_construction": "photos 1-4: Long padded leather shoulder strap with a prominent tied\/decorative leather detail at one side; no adjustable buckle or detachable Coach-style clips are visible.",
                    "stitching_description": "photos 1-3: Multiple visible panel seams with generally even machine stitching; some areas are obscured by folds and lighting."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the tied padded strap, paneled body, top-zip closure, and fabric lining do not correspond to the listed classic Coach silhouettes.",
                    "Condition: Good; visible creasing and substantial wrinkling across the leather, with no clear holes or broken hardware in the supplied photos. Interior condition and odor are unknown.",
                    "The visible non-Coach-looking interior label and absence of Coach identifiers outweigh the generic leather construction."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 5: generic 'Genuine Leather HECHO EN MEXICO' fabric tag indicates non-Coach maker, not a Coach creed patch",
                    "photo 1, photo 2: silhouette, zip-top hobo with knotted fixed strap and pieced thin panels has no match in Coach catalog"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.8,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "bottom and corner close-ups not shown",
                    "zipper pull brand stamp not legible",
                    "seller-stated dimensions not provided"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: no turnlock, no brass hardware, no hangtag, no COACH wordmark visible",
                    "photo 5: interior has black woven fabric lining with generic Genuine Leather tag, not unlined suede-back glove-tanned with stamped leather creed",
                    "photo 1, photo 2: zip-top slouchy hobo with knotted tubular strap and multi-panel pieced body does not match any vintage Coach classic silhouette",
                    "photo 3, photo 4: thin soft garment-type gray leather with pieced seams, not thick smooth glove-tanned cowhide"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "dark-tone metal zip top with small pull; no solid brass turnlock, buckles, D-rings or dogleash clips visible",
                    "leather_description": "soft thin gray leather with slouchy drape and pieced panel seams, sheen in photos 3-4; not thick matte glove-tanned cowhide",
                    "lining_description": "black woven fabric lining visible in photos 5-6 with interior zip pocket",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-matched straight stitching along zip and panel seams visible in photos 1-2; no detailed stress-point view",
                    "strap_construction": "long fixed tubular leather shoulder strap tied in decorative knot at shoulder, sewn directly to body; not buckle-adjustable or dogleash-detachable",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: zip-top knotted-strap hobo with fabric lining and generic Mexico tag is inconsistent with City Bag, Willis, Court, Station, Duffle Sac and other 1980s-90s classics which are turnlock flap or bucket, unlined glove-tanned with brass hardware and stamped leather creed",
                    "Era reasoning: seller calls it 80s, construction and Mexico generic tag are consistent with 1980s-2000s non-Coach soft leather bag, but no Coach identifier to date; emitting modern (2000s+), non-Coach",
                    "Condition: Very Good to Good; leather shows soft wrinkles and slouch but no visible corner wear-through, tears or stains in photos 1-3; interior lining looks intact in photos 5-6; bottom, strap fold and odor not assessable"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.4
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28775,
            "output_tokens": 920,
            "total_tokens": 29695,
            "estimated_cost_usd": 0.013718
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30088,
            "output_tokens": 1464,
            "total_tokens": 31552,
            "estimated_cost_usd": 0.007189
        }
    ]
}