Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.05,
    "vintage_probability": 0.29,
    "authenticity_confidence": 0.04,
    "image_quality_score": 0.73,
    "seller_misidentification_probability": 0.06,
    "confidence": 0.76,
    "recommended_max_bid": 10,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Leather-looking navy shoulder tote with gold-tone hardware and a shoulder strap is consistent with the general type of bag in which vintage Coach can sometimes appear.",
        "photo 3: Four metal feet are visible on the base.",
        "photo 4: The bag has an adjustable shoulder strap and a top zipper.",
        "photo 1,2: leather shoulder tote \/ handbag form",
        "photo 3: base feet present as seen on some vintage totes"
    ],
    "negative_evidence": [
        "photo 1: The large decorative equestrian-style front ornament is not a Coach classic turnlock and resembles a generic or lookalike-brand medallion.",
        "photo 1: No legible COACH wordmark, horse-and-carriage logo, or hangtag is visible.",
        "photo 4: The visible hardware is decorative and oversized rather than the restrained classic Coach turnlock geometry.",
        "photo 5: The interior is fabric-lined, with no visible Coach creed patch or country\/serial identifier.",
        "photo 6: No creed, fabric brand tag, or serial\/style number is visible despite the interior being shown.",
        "photo 1: The silhouette and construction are generic and do not clearly match a cataloged vintage Coach model.",
        "photo 1,2,4: no COACH wordmark, horse-and-carriage, or creed patch visible",
        "photo 1: front closure is large gold-tone equestrian \/ toggle ornament, not Coach turnlock geometry",
        "photo 5,6: fully fabric-lined interior with zip pocket, not unlined suede-back glove-tanned classic Coach interior",
        "photo 1-4: silhouette is zip-top bucket tote with base feet and decorative toggle - no matching catalog classic (City, Willis, Court, Station, Duffle) in proportions or closure",
        "photo 1,4: bright plated gold-tone hardware, not solid brass vintage Coach hardware"
    ],
    "missing_information": [
        "photo 5-6: A straight-on close-up of every interior wall, pocket, and seam is needed to rule out a small or obscured brand tag.",
        "photo 1: Close-ups of the front ornament, zipper pull, strap hardware, and any engraved marks are needed.",
        "photo 2: Seller-stated dimensions and a clear side view would help identify the construction and scale.",
        "photo 1-6: No close-up of material texture or edge finishing is provided.",
        "photo of any interior leather creed patch or brand stamp in raking light - not shown",
        "photo of hardware engravings \/ zipper-pull brand stamp - not shown",
        "photo of hangtag both faces if present - not shown",
        "seller-stated dimensions and close-up of strap buckle \/ attachment"
    ],
    "authenticity_concerns": [
        "photo 1: The oversized equestrian-style ornament is a lookalike cue rather than a recognizable vintage Coach closure.",
        "photo 5-6: Generic fabric lining and absence of any visible Coach identifier are inconsistent with a confidently attributable Coach classic.",
        "photo 1: The bag's design does not show the expected Coach-specific construction cues; it is more likely an unbranded Italian-style leather bag."
    ],
    "possible_model_reasoning": [
        "The tote does not closely match the listed vintage Coach classics: it lacks a Coach creed, classic turnlock, recognizable model silhouette, and unlined glove-tanned interior.",
        "The fabric lining and large decorative front ornament suggest a later generic or Italian-style leather shoulder tote rather than a pre-2000 Coach bag.",
        "Condition appears Good to Very Good: visible creasing and surface wear are present, while the structure, stitching, zipper, and feet appear intact; odor, mold, and strap underside condition are unknown.",
        "No Coach identifier visible in any of 6 photos; construction (fabric lining, decorative large toggle, plated hardware) inconsistent with 1970s-1990s glove-tanned Coach classics",
        "Not a Coach model match; large-toggle Italian-style tote is lookalike \/ other-brand form, not City\/Willis\/Court\/Station\/Dinky",
        "Condition: Very Good; leather intact with light slouch and sheen variation (photo 1,2), base clean (photo 3), lining clean (photo 5,6), strap not cracked in views shown"
    ],
    "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 decorative equestrian-style front ornament, gold-tone zipper teeth, and four visible base feet; no readable engraving.",
        "leather_description": "Navy leather-looking material with a smooth, somewhat glossy finish; visible creasing and surface wear.",
        "lining_description": "Blue fabric lining is visible in photos 5-6, with multiple compartments and zippered sections.",
        "strap_construction": "Adjustable long shoulder strap with a visible metal buckle\/adjuster; strap appears narrow and leather-like.",
        "stitching_description": "Visible machine stitching appears generally straight and even along the body and base; stress-point construction is not fully shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0097,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.06,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.04,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.07,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Leather-looking navy shoulder tote with gold-tone hardware and a shoulder strap is consistent with the general type of bag in which vintage Coach can sometimes appear.",
                    "photo 3: Four metal feet are visible on the base.",
                    "photo 4: The bag has an adjustable shoulder strap and a top zipper."
                ],
                "negative_evidence": [
                    "photo 1: The large decorative equestrian-style front ornament is not a Coach classic turnlock and resembles a generic or lookalike-brand medallion.",
                    "photo 1: No legible COACH wordmark, horse-and-carriage logo, or hangtag is visible.",
                    "photo 4: The visible hardware is decorative and oversized rather than the restrained classic Coach turnlock geometry.",
                    "photo 5: The interior is fabric-lined, with no visible Coach creed patch or country\/serial identifier.",
                    "photo 6: No creed, fabric brand tag, or serial\/style number is visible despite the interior being shown.",
                    "photo 1: The silhouette and construction are generic and do not clearly match a cataloged vintage Coach model."
                ],
                "missing_information": [
                    "photo 5-6: A straight-on close-up of every interior wall, pocket, and seam is needed to rule out a small or obscured brand tag.",
                    "photo 1: Close-ups of the front ornament, zipper pull, strap hardware, and any engraved marks are needed.",
                    "photo 2: Seller-stated dimensions and a clear side view would help identify the construction and scale.",
                    "photo 1-6: No close-up of material texture or edge finishing is provided."
                ],
                "authenticity_concerns": [
                    "photo 1: The oversized equestrian-style ornament is a lookalike cue rather than a recognizable vintage Coach closure.",
                    "photo 5-6: Generic fabric lining and absence of any visible Coach identifier are inconsistent with a confidently attributable Coach classic.",
                    "photo 1: The bag's design does not show the expected Coach-specific construction cues; it is more likely an unbranded Italian-style leather bag."
                ],
                "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 decorative equestrian-style front ornament, gold-tone zipper teeth, and four visible base feet; no readable engraving.",
                    "leather_description": "Navy leather-looking material with a smooth, somewhat glossy finish; visible creasing and surface wear.",
                    "lining_description": "Blue fabric lining is visible in photos 5-6, with multiple compartments and zippered sections.",
                    "strap_construction": "Adjustable long shoulder strap with a visible metal buckle\/adjuster; strap appears narrow and leather-like.",
                    "stitching_description": "Visible machine stitching appears generally straight and even along the body and base; stress-point construction is not fully shown."
                },
                "possible_model_reasoning": [
                    "The tote does not closely match the listed vintage Coach classics: it lacks a Coach creed, classic turnlock, recognizable model silhouette, and unlined glove-tanned interior.",
                    "The fabric lining and large decorative front ornament suggest a later generic or Italian-style leather shoulder tote rather than a pre-2000 Coach bag.",
                    "Condition appears Good to Very Good: visible creasing and surface wear are present, while the structure, stitching, zipper, and feet appear intact; odor, mold, and strap underside condition are unknown."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.04,
                "coach_probability": 0.04,
                "confidence": 0.68,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of any interior leather creed patch or brand stamp in raking light - not shown",
                    "photo of hardware engravings \/ zipper-pull brand stamp - not shown",
                    "photo of hangtag both faces if present - not shown",
                    "seller-stated dimensions and close-up of strap buckle \/ attachment"
                ],
                "negative_evidence": [
                    "photo 1,2,4: no COACH wordmark, horse-and-carriage, or creed patch visible",
                    "photo 1: front closure is large gold-tone equestrian \/ toggle ornament, not Coach turnlock geometry",
                    "photo 5,6: fully fabric-lined interior with zip pocket, not unlined suede-back glove-tanned classic Coach interior",
                    "photo 1-4: silhouette is zip-top bucket tote with base feet and decorative toggle - no matching catalog classic (City, Willis, Court, Station, Duffle) in proportions or closure",
                    "photo 1,4: bright plated gold-tone hardware, not solid brass vintage Coach hardware"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone large toggle \/ horsebit-type front ornament with rings, gold-tone zipper and base feet (photo 1,3,5); tone bright plated, not dull solid brass",
                    "leather_description": "navy smooth leather with sheen, soft slouch (photo 1,2); not clearly glove-tanned full-grain with patina",
                    "lining_description": "blue-grey woven fabric lining with top zip compartment (photo 5,6)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight tone-matched stitching at base and center panel (photo 1,2); no detail close-up to assess fully",
                    "strap_construction": "single flat shoulder strap, sewn-fixed at back, buckle-adjustable at side (photo 2,4)",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1,2: leather shoulder tote \/ handbag form",
                    "photo 3: base feet present as seen on some vintage totes"
                ],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any of 6 photos; construction (fabric lining, decorative large toggle, plated hardware) inconsistent with 1970s-1990s glove-tanned Coach classics",
                    "Not a Coach model match; large-toggle Italian-style tote is lookalike \/ other-brand form, not City\/Willis\/Court\/Station\/Dinky",
                    "Condition: Very Good; leather intact with light slouch and sheen variation (photo 1,2), base clean (photo 3), lining clean (photo 5,6), strap not cracked in views shown"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.05,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18896,
            "output_tokens": 869,
            "total_tokens": 19765,
            "estimated_cost_usd": 0.009644
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 19755,
            "output_tokens": 1313,
            "total_tokens": 21068,
            "estimated_cost_usd": 0.005001
        }
    ]
}