Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.715,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.845,
    "recommended_max_bid": 8,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: The bag has a generic kiss-lock frame silhouette with bright silver-tone hardware, unlike the solid brass hardware typical of many vintage Coach classics.",
        "photo 1: The black-and-white split-color exterior and plush-looking material do not visibly resemble Coach glove-tanned leather.",
        "photo 2: The shoulder strap appears narrow and synthetic or fabric-like, with silver-tone adjuster hardware.",
        "photo 1: No COACH wordmark, horse-and-carriage, creed patch, or leather Coach hangtag is visible.",
        "photo 2: No brand identifiers are visible on the exterior.",
        "photo 1: bright silver-tone kisslock frame and hardware, not vintage solid brass",
        "photo 1, photo 2: two-tone black\/off-white soft suede-like body, not glove-tanned cowhide",
        "photo 2: thin modern adjustable crossbody strap with small silver-tone buckle",
        "photo 1, photo 2: no creed patch, COACH wordmark, horse-and-carriage, or leather hangtag visible",
        "photo 1, photo 2: modern fast-fashion kisslock silhouette with contrast white stitching, not a Coach catalog shape"
    ],
    "missing_information": [
        "photo 1-2: Interior view is absent, so any creed, brand label, lining, or fabric tag cannot be assessed.",
        "photo 1-2: No close-up of the frame hardware, strap attachments, stitching, or material composition is provided.",
        "photo 1-2: Bottom, side, and interior construction views are absent.",
        "interior \/ lining and creed patch not shown (photo 1-2: exterior only)",
        "hardware close-ups and any stamps \/ Made-in line not shown",
        "bottom, side and strap-anchor construction not shown",
        "material \/ fabric tag not shown"
    ],
    "authenticity_concerns": [
        "photo 1: Bright silver-tone frame hardware and a fashion-style kiss-lock design are inconsistent with the usual construction of vintage Coach leather classics.",
        "photo 1-2: The material appears synthetic, suede-like, or textile rather than identifiable glove-tanned cowhide; this is a Coach-lookalike concern.",
        "photo 1-2: With no visible Coach identifier and a generic silhouette, this is more likely an unbranded modern bag than Coach."
    ],
    "possible_model_reasoning": [
        "photo 1-2: The rectangular kiss-lock frame and shoulder strap make this a handbag, but the shape does not closely match the listed vintage Coach frame and Cashin-era models without a Coach identifier.",
        "photo 1-2: The modern-looking silver hardware, split-color textile or faux-suede construction, and lack of creed point toward a contemporary unbranded fashion bag.",
        "photo 1-2: Condition appears Like New or Excellent from the supplied promotional photos, with no obvious wear visible; interior and functional condition are unverified.",
        "kisslock frames were used by Bonnie Cashin era Coach, but this two-tone suede-like body, silver-tone thin frame, and thin modern crossbody strap do not match any Cashin or classic Coach style",
        "no Coach identifier visible in either photo to support a model attribution",
        "Condition: Like New \/ new-looking exterior in photos, but interior, bottom and strap wear unknown so no formal grade"
    ],
    "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 1-2: Shiny silver-tone metal kiss-lock frame with rounded corners, small central double-ball clasp, silver-tone strap fittings, and a silver-tone adjuster.",
        "leather_description": "photo 1-2: Exterior appears black-and-white plush suede-like or textile material; leather composition is not confirmed.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1-2: Long narrow black strap with silver-tone adjuster and attachment hardware; appears textile or synthetic rather than substantial Coach leather.",
        "stitching_description": "photo 1-2: Visible contrast stitching is generally straight along the center color division and outer edges; detailed stress-point stitching is not shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0006,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.04,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: The bag has a generic kiss-lock frame silhouette with bright silver-tone hardware, unlike the solid brass hardware typical of many vintage Coach classics.",
                    "photo 1: The black-and-white split-color exterior and plush-looking material do not visibly resemble Coach glove-tanned leather.",
                    "photo 2: The shoulder strap appears narrow and synthetic or fabric-like, with silver-tone adjuster hardware.",
                    "photo 1: No COACH wordmark, horse-and-carriage, creed patch, or leather Coach hangtag is visible.",
                    "photo 2: No brand identifiers are visible on the exterior."
                ],
                "missing_information": [
                    "photo 1-2: Interior view is absent, so any creed, brand label, lining, or fabric tag cannot be assessed.",
                    "photo 1-2: No close-up of the frame hardware, strap attachments, stitching, or material composition is provided.",
                    "photo 1-2: Bottom, side, and interior construction views are absent."
                ],
                "authenticity_concerns": [
                    "photo 1: Bright silver-tone frame hardware and a fashion-style kiss-lock design are inconsistent with the usual construction of vintage Coach leather classics.",
                    "photo 1-2: The material appears synthetic, suede-like, or textile rather than identifiable glove-tanned cowhide; this is a Coach-lookalike concern.",
                    "photo 1-2: With no visible Coach identifier and a generic silhouette, this is more likely an unbranded modern bag than Coach."
                ],
                "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 1-2: Shiny silver-tone metal kiss-lock frame with rounded corners, small central double-ball clasp, silver-tone strap fittings, and a silver-tone adjuster.",
                    "leather_description": "photo 1-2: Exterior appears black-and-white plush suede-like or textile material; leather composition is not confirmed.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1-2: Long narrow black strap with silver-tone adjuster and attachment hardware; appears textile or synthetic rather than substantial Coach leather.",
                    "stitching_description": "photo 1-2: Visible contrast stitching is generally straight along the center color division and outer edges; detailed stress-point stitching is not shown."
                },
                "possible_model_reasoning": [
                    "photo 1-2: The rectangular kiss-lock frame and shoulder strap make this a handbag, but the shape does not closely match the listed vintage Coach frame and Cashin-era models without a Coach identifier.",
                    "photo 1-2: The modern-looking silver hardware, split-color textile or faux-suede construction, and lack of creed point toward a contemporary unbranded fashion bag.",
                    "photo 1-2: Condition appears Like New or Excellent from the supplied promotional photos, with no obvious wear visible; interior and functional condition are unverified."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "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": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior \/ lining and creed patch not shown (photo 1-2: exterior only)",
                    "hardware close-ups and any stamps \/ Made-in line not shown",
                    "bottom, side and strap-anchor construction not shown",
                    "material \/ fabric tag not shown"
                ],
                "negative_evidence": [
                    "photo 1: bright silver-tone kisslock frame and hardware, not vintage solid brass",
                    "photo 1, photo 2: two-tone black\/off-white soft suede-like body, not glove-tanned cowhide",
                    "photo 2: thin modern adjustable crossbody strap with small silver-tone buckle",
                    "photo 1, photo 2: no creed patch, COACH wordmark, horse-and-carriage, or leather hangtag visible",
                    "photo 1, photo 2: modern fast-fashion kisslock silhouette with contrast white stitching, not a Coach catalog shape"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone kisslock frame with ball clasps, silver-tone end caps and rings; thin and plated-looking, not solid brass",
                    "leather_description": "two-tone black and off-white soft suede-like \/ synthetic-feel material; no glove-tanned grain or patina visible",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "white contrast stitching along center seam visible in photo 1 and photo 2; otherwise not_visible in detail",
                    "strap_construction": "short fabric-covered top handle attached to frame plus thin detachable\/adjustable crossbody strap with small buckle",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "kisslock frames were used by Bonnie Cashin era Coach, but this two-tone suede-like body, silver-tone thin frame, and thin modern crossbody strap do not match any Cashin or classic Coach style",
                    "no Coach identifier visible in either photo to support a model attribution",
                    "Condition: Like New \/ new-looking exterior in photos, but interior, bottom and strap wear unknown so no formal grade"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17551,
            "output_tokens": 785,
            "total_tokens": 18336,
            "estimated_cost_usd": 0.008904
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17970,
            "output_tokens": 1084,
            "total_tokens": 19054,
            "estimated_cost_usd": 0.004461
        }
    ]
}