Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.03,
    "vintage_probability": 0.065,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.765,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.875,
    "recommended_max_bid": 15,
    "estimated_resale_low": 17.5,
    "estimated_resale_high": 45,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a leather cross-body handbag with a structured flap, multiple compartments, and an adjustable shoulder strap.",
        "photo 1: Brown leather and brass-tone hardware are compatible with some vintage handbags, but are not Coach-specific identifiers.",
        "photo 1-5: leather handbag with brass-tone hardware in brown, general population where misidentified Coach could hide"
    ],
    "negative_evidence": [
        "photo 1: The bag uses buckle-and-strap closures rather than a recognizable Coach turnlock.",
        "photo 1: No Coach wordmark, horse-and-carriage emblem, leather hangtag, or creed patch is visible on the exterior.",
        "photo 2: The front construction, decorative strap layout, and buckle closures look generic and do not closely match the listed vintage Coach catalog silhouettes.",
        "photo 4: The interior is fabric-lined and contains a modern-looking zippered organizer compartment; no Coach creed or style tag is visible.",
        "photo 1: The seller identifies the material as genuine goat leather, which differs from the glove-tanned cowhide construction most associated with classic vintage Coach.",
        "photo 1, photo 2, photo 3, photo 5: closure is center buckle strap, not Coach turnlock geometry",
        "photo 1-5: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible",
        "photo 4: olive-green woven fabric lining with zip pocket visible, not unlined suede-back glove-tanned cowhide of vintage Coach classics",
        "photo 1-5: silhouette is double-flap buckled saddle\/messenger 9x7x3 in, does not match any catalog Coach style",
        "listing title states Genuine Goat leather; Coach vintage classics are glove-tanned cowhide"
    ],
    "missing_information": [
        "A straight-on, close-up photo of every interior wall and pocket seam to check for a sewn-in creed or fabric Coach tag.",
        "Close-ups of all hardware, zipper pulls, and any hidden stamps.",
        "A clear photo of the underside, back, bottom, and strap attachment points.",
        "Seller-stated country of manufacture and any maker or brand markings.",
        "photo 4: interior only shown open and filled; no clear view of interior walls\/pockets for creed patch",
        "photo 4: no legible maker stamp, creed, or fabric tag visible",
        "no bottom, back, or hardware close-up views"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible, and the generic buckle-fastened saddle design is widely produced by non-Coach makers.",
        "The fabric-lined interior and goat-leather description are not consistent with the classic unlined glove-tanned Coach styles suggested by the vintage framing."
    ],
    "possible_model_reasoning": [
        "No Coach model is a close enough match to list. The silhouette is a generic approximately 9 x 7 x 3 inch buckle-fastened saddle or messenger bag, not a recognizable Coach turnlock style.",
        "photo 4: Interior view does not reveal a creed, serial, or style tag, so Coach manufacture and dating cannot be established.",
        "Condition: Very Good based on the clean exterior and intact visible stitching and hardware; bottom, corners, odor, and hidden strap wear are not fully shown.",
        "No Coach model fits: buckle-flap double-pocket saddle shape, goat leather, fabric lining, and lack of turnlock\/creed are inconsistent with City Bag, Willis, Court, Station, Dinky or other classics",
        "Condition: Like New \/ Mint appearance in catalog-style white-background photos; appears new\/unused with no wear visible, but interior filled so full grading 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": "Visible brass-tone rectangular buckles, strap loops, and adjusters; no Coach engraving is visible in the provided photos.",
        "leather_description": "Visible brown, smooth-to-finely-grained leather; seller states genuine goat leather. The leather appears relatively thin and finished rather than clearly vintage glove-tanned cowhide.",
        "lining_description": "photo 4: Fabric-lined interior with a zippered inner compartment and additional contents visible; no creed patch is visible.",
        "strap_construction": "photo 3: Long adjustable leather cross-body strap with multiple buckle holes, stitched edges, and a keeper loop.",
        "stitching_description": "Visible double-row, generally even contrast stitching around the flap, pockets, and strap; construction appears machine-stitched and commercially made."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0021,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a leather cross-body handbag with a structured flap, multiple compartments, and an adjustable shoulder strap.",
                    "photo 1: Brown leather and brass-tone hardware are compatible with some vintage handbags, but are not Coach-specific identifiers."
                ],
                "negative_evidence": [
                    "photo 1: The bag uses buckle-and-strap closures rather than a recognizable Coach turnlock.",
                    "photo 1: No Coach wordmark, horse-and-carriage emblem, leather hangtag, or creed patch is visible on the exterior.",
                    "photo 2: The front construction, decorative strap layout, and buckle closures look generic and do not closely match the listed vintage Coach catalog silhouettes.",
                    "photo 4: The interior is fabric-lined and contains a modern-looking zippered organizer compartment; no Coach creed or style tag is visible.",
                    "photo 1: The seller identifies the material as genuine goat leather, which differs from the glove-tanned cowhide construction most associated with classic vintage Coach."
                ],
                "missing_information": [
                    "A straight-on, close-up photo of every interior wall and pocket seam to check for a sewn-in creed or fabric Coach tag.",
                    "Close-ups of all hardware, zipper pulls, and any hidden stamps.",
                    "A clear photo of the underside, back, bottom, and strap attachment points.",
                    "Seller-stated country of manufacture and any maker or brand markings."
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible, and the generic buckle-fastened saddle design is widely produced by non-Coach makers.",
                    "The fabric-lined interior and goat-leather description are not consistent with the classic unlined glove-tanned Coach styles suggested by the vintage framing."
                ],
                "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": "Visible brass-tone rectangular buckles, strap loops, and adjusters; no Coach engraving is visible in the provided photos.",
                    "leather_description": "Visible brown, smooth-to-finely-grained leather; seller states genuine goat leather. The leather appears relatively thin and finished rather than clearly vintage glove-tanned cowhide.",
                    "lining_description": "photo 4: Fabric-lined interior with a zippered inner compartment and additional contents visible; no creed patch is visible.",
                    "strap_construction": "photo 3: Long adjustable leather cross-body strap with multiple buckle holes, stitched edges, and a keeper loop.",
                    "stitching_description": "Visible double-row, generally even contrast stitching around the flap, pockets, and strap; construction appears machine-stitched and commercially made."
                },
                "possible_model_reasoning": [
                    "No Coach model is a close enough match to list. The silhouette is a generic approximately 9 x 7 x 3 inch buckle-fastened saddle or messenger bag, not a recognizable Coach turnlock style.",
                    "photo 4: Interior view does not reveal a creed, serial, or style tag, so Coach manufacture and dating cannot be established.",
                    "Condition: Very Good based on the clean exterior and intact visible stitching and hardware; bottom, corners, odor, and hidden strap wear are not fully shown."
                ],
                "confidence": 0.87,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "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": 45,
                "estimated_resale_low": 20,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 4: interior only shown open and filled; no clear view of interior walls\/pockets for creed patch",
                    "photo 4: no legible maker stamp, creed, or fabric tag visible",
                    "no bottom, back, or hardware close-up views"
                ],
                "negative_evidence": [
                    "photo 1, photo 2, photo 3, photo 5: closure is center buckle strap, not Coach turnlock geometry",
                    "photo 1-5: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible",
                    "photo 4: olive-green woven fabric lining with zip pocket visible, not unlined suede-back glove-tanned cowhide of vintage Coach classics",
                    "photo 1-5: silhouette is double-flap buckled saddle\/messenger 9x7x3 in, does not match any catalog Coach style",
                    "listing title states Genuine Goat leather; Coach vintage classics are glove-tanned cowhide"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone buckles on front flap strap and on adjustable crossbody strap; no turnlock; no COACH stamping visible",
                    "leather_description": "smooth tan\/brown leather described by seller as goat; uniform tone, not glove-tanned cowhide patina",
                    "lining_description": "photo 4: olive-green fabric lining visible inside flap with dark zipper; not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrasting dark edge stitching around flaps and body, even but not tone-matched Coach classic stitching",
                    "strap_construction": "wide flat leather crossbody strap, buckle-adjustable with holes, attached at sides",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-5: leather handbag with brass-tone hardware in brown, general population where misidentified Coach could hide"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: buckle-flap double-pocket saddle shape, goat leather, fabric lining, and lack of turnlock\/creed are inconsistent with City Bag, Willis, Court, Station, Dinky or other classics",
                    "Condition: Like New \/ Mint appearance in catalog-style white-background photos; appears new\/unused with no wear visible, but interior filled so full grading capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 27703,
            "output_tokens": 823,
            "total_tokens": 28526,
            "estimated_cost_usd": 0.013056
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 29077,
            "output_tokens": 1093,
            "total_tokens": 30170,
            "estimated_cost_usd": 0.00669
        }
    ]
}