Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.025,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.73,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.88,
    "recommended_max_bid": 15,
    "estimated_resale_low": 17.5,
    "estimated_resale_high": 47.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 3: clearly visible handbag with a flap, crossbody strap, front pocket, and structured rectangular body",
        "photo 3: genuine-looking hair-on cowhide and western checkered decoration are consistent with the seller's description"
    ],
    "negative_evidence": [
        "photo 3: no COACH wordmark, horse-and-carriage logo, or Coach hangtag is visible",
        "photo 3: the black-and-white checkerboard hair-on-hide flap and decorative strap are not characteristic of documented vintage Coach construction",
        "photo 1: visible hardware appears decorative and generic rather than a recognizable Coach vintage turnlock",
        "photo 4: interior is fabric-lined and does not show a sewn Coach creed patch or Coach fabric label",
        "photo 4: zipper and lining construction appears modern, inconsistent with classic unlined glove-tanned Coach styles",
        "photo 3: black-white checkered woven flap + grey hair-on-hide body - materials never used on vintage Coach classics",
        "photo 4: dark brown fabric lining with zip compartment - vintage Coach classics are unlined suede-back glove-tanned, not fabric-lined",
        "photo 2, photo 3: wide black-white diamond-pattern adjustable guitar strap with modern buckle - not Coach strap construction",
        "photo 1, photo 3: modern western statement silhouette with exterior back zip pocket - does not match any Coach catalog style",
        "photo 1-3: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible"
    ],
    "missing_information": [
        "photo 4: interior back wall and every pocket should be photographed straight-on to confirm no hidden brand label or creed",
        "photo 3: close-up of the central clasp, zipper pulls, strap clips, and any maker stamps",
        "photo 3: bottom, side seams, and strap attachment points",
        "seller-stated purchase history or any label from Western Linens, although seller text alone cannot establish brand",
        "photo of interior creed patch area straight-on in raking light to confirm no Coach creed (photos show fabric lining only)",
        "photo of hardware engravings \/ zipper pull brand stamp",
        "photo of bottom, back and side views without mannequin"
    ],
    "authenticity_concerns": [
        "No visible Coach identifier supports treating this as a generic western cowhide bag rather than a misidentified vintage Coach",
        "The hair-on-hide checkerboard design, fabric lining, and modern-looking construction do not match the classic Coach glove-tanned leather handbag construction"
    ],
    "possible_model_reasoning": [
        "The rectangular flap crossbody silhouette is not sufficient to match a Coach model, and no Coach style number or identifier is visible.",
        "The hair-on cowhide, checkerboard pattern, and western styling point to the seller-described Western Linens manufacture rather than a documented Coach line.",
        "Condition: Very Good based on clean-looking exterior and intact visible structure; the full bottom and all stress points are not shown, so condition remains limited by incomplete coverage.",
        "No Coach identifiers visible in any photo: no creed, no wordmark, no hangtag, no solid-brass hardware",
        "Materials and construction are inconsistent with Coach: hair-on-hide + checkered flap + fabric lining + modern guitar strap = modern western fast-fashion, not 1970s-1990s glove-tanned",
        "Silhouette does not match City Bag, Willis, Court, Station, Dinky or other classics; seller text describes as Western Linens hair-on-hide tote",
        "Condition: appears Like New to Excellent from exterior (photo 3) but interior and bottom not fully 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": true,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 3: small central rotating clasp appears visible; no Coach engraving is visible. photo 2: strap uses metal attachment hardware with no visible brand marking.",
        "leather_description": "photos 1 and 3: hair-on cowhide panels with black-and-white checkerboard decoration and mottled gray-and-white hide; smooth black trim is also visible.",
        "lining_description": "photo 4: dark brown fabric lining with a zippered interior compartment; no Coach label or creed is visible.",
        "strap_construction": "photos 2 and 3: adjustable crossbody strap with brown smooth-leather sections and a decorative black-and-white patterned section; metal attachment hardware is visible.",
        "stitching_description": "photos 1 and 3: visible perimeter stitching appears generally even; close-up stress-point and interior seam inspection is limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0025,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 3: clearly visible handbag with a flap, crossbody strap, front pocket, and structured rectangular body",
                    "photo 3: genuine-looking hair-on cowhide and western checkered decoration are consistent with the seller's description"
                ],
                "negative_evidence": [
                    "photo 3: no COACH wordmark, horse-and-carriage logo, or Coach hangtag is visible",
                    "photo 3: the black-and-white checkerboard hair-on-hide flap and decorative strap are not characteristic of documented vintage Coach construction",
                    "photo 1: visible hardware appears decorative and generic rather than a recognizable Coach vintage turnlock",
                    "photo 4: interior is fabric-lined and does not show a sewn Coach creed patch or Coach fabric label",
                    "photo 4: zipper and lining construction appears modern, inconsistent with classic unlined glove-tanned Coach styles"
                ],
                "missing_information": [
                    "photo 4: interior back wall and every pocket should be photographed straight-on to confirm no hidden brand label or creed",
                    "photo 3: close-up of the central clasp, zipper pulls, strap clips, and any maker stamps",
                    "photo 3: bottom, side seams, and strap attachment points",
                    "seller-stated purchase history or any label from Western Linens, although seller text alone cannot establish brand"
                ],
                "authenticity_concerns": [
                    "No visible Coach identifier supports treating this as a generic western cowhide bag rather than a misidentified vintage Coach",
                    "The hair-on-hide checkerboard design, fabric lining, and modern-looking construction do not match the classic Coach glove-tanned leather handbag construction"
                ],
                "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": true,
                    "hangtag_present": false,
                    "hardware_description": "photo 3: small central rotating clasp appears visible; no Coach engraving is visible. photo 2: strap uses metal attachment hardware with no visible brand marking.",
                    "leather_description": "photos 1 and 3: hair-on cowhide panels with black-and-white checkerboard decoration and mottled gray-and-white hide; smooth black trim is also visible.",
                    "lining_description": "photo 4: dark brown fabric lining with a zippered interior compartment; no Coach label or creed is visible.",
                    "strap_construction": "photos 2 and 3: adjustable crossbody strap with brown smooth-leather sections and a decorative black-and-white patterned section; metal attachment hardware is visible.",
                    "stitching_description": "photos 1 and 3: visible perimeter stitching appears generally even; close-up stress-point and interior seam inspection is limited."
                },
                "possible_model_reasoning": [
                    "The rectangular flap crossbody silhouette is not sufficient to match a Coach model, and no Coach style number or identifier is visible.",
                    "The hair-on cowhide, checkerboard pattern, and western styling point to the seller-described Western Linens manufacture rather than a documented Coach line.",
                    "Condition: Very Good based on clean-looking exterior and intact visible structure; the full bottom and all stress points are not shown, so condition remains limited by incomplete coverage."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 15,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo of interior creed patch area straight-on in raking light to confirm no Coach creed (photos show fabric lining only)",
                    "photo of hardware engravings \/ zipper pull brand stamp",
                    "photo of bottom, back and side views without mannequin"
                ],
                "negative_evidence": [
                    "photo 3: black-white checkered woven flap + grey hair-on-hide body - materials never used on vintage Coach classics",
                    "photo 4: dark brown fabric lining with zip compartment - vintage Coach classics are unlined suede-back glove-tanned, not fabric-lined",
                    "photo 2, photo 3: wide black-white diamond-pattern adjustable guitar strap with modern buckle - not Coach strap construction",
                    "photo 1, photo 3: modern western statement silhouette with exterior back zip pocket - does not match any Coach catalog style",
                    "photo 1-3: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone oval turnlock on flap (photo 3); zipper with small leather pull (photo 1, photo 4); strap buckle and clips silver-tone; not solid brass vintage Coach hardware",
                    "leather_description": "black smooth leather body with grey-black hair-on-hide front panel and black-white checkered woven flap (photo 3); modern western hair-on-hide, not glove-tanned cowhide",
                    "lining_description": "dark brown fabric lining visible in interior view (photo 4), not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible in detail; edge stitching visible on strap (photo 3) but no tight even Coach-type stitching detail shown",
                    "strap_construction": "wide adjustable crossbody strap with black-white diamond pattern and light trim, buckle adjustment (photo 2, photo 3) plus brown underside",
                    "turnlock_present": true
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifiers visible in any photo: no creed, no wordmark, no hangtag, no solid-brass hardware",
                    "Materials and construction are inconsistent with Coach: hair-on-hide + checkered flap + fabric lining + modern guitar strap = modern western fast-fashion, not 1970s-1990s glove-tanned",
                    "Silhouette does not match City Bag, Willis, Court, Station, Dinky or other classics; seller text describes as Western Linens hair-on-hide tote",
                    "Condition: appears Like New to Excellent from exterior (photo 3) but interior and bottom not fully shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17189,
            "output_tokens": 837,
            "total_tokens": 18026,
            "estimated_cost_usd": 0.008884
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17651,
            "output_tokens": 1293,
            "total_tokens": 18944,
            "estimated_cost_usd": 0.004565
        }
    ]
}