Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.765,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.88,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag with top handles and a detachable shoulder strap.",
        "photo 1: The bag is presented as unbranded, with no visible Coach claim in the listing text.",
        "photo 1, photo 2: small top-handle satchel handbag silhouette documented"
    ],
    "negative_evidence": [
        "photo 1: Repeating floral, quatrefoil, and star monogram resembles a generic or Louis Vuitton-inspired print rather than Coach's paired-C Signature canvas.",
        "photo 2: No legible COACH wordmark, horse-and-carriage, or Coach hangtag is visible.",
        "photo 3: Interior uses shiny synthetic-looking lining and multiple zip compartments, inconsistent with classic vintage Coach construction.",
        "photo 1: The material appears coated synthetic canvas with contrast faux-leather trim rather than vintage glove-tanned leather.",
        "photo 1: Decorative gold-tone hardware and strap-end caps do not match the solid-brass, understated hardware typical of vintage Coach classics.",
        "photo 1, photo 2: brown coated canvas with LV-style flower\/star\/circle monogram, not Coach C-print",
        "photo 1, photo 2, photo 3: bright gold-tone snap closure and thin plated rings, not vintage solid brass turnlock",
        "photo 3: grey shiny polyester lining with zip pocket, not unlined glove-tanned suede",
        "photo 1, photo 2, photo 3: faux\/coated pebbled texture with tan faux-leather trim and white contrast stitching",
        "photo 3: tan smooth synthetic flap underside, not leather suede back"
    ],
    "missing_information": [
        "photo 3: No close-up of any interior brand label or sewn-in fabric tag.",
        "photo 3: No close-up of zipper pulls, hardware markings, or country-of-origin tag.",
        "photo 1: Bottom, side, and complete strap-condition views are not provided.",
        "no Coach creed patch visible in interior view (photo 3)",
        "no bottom\/side close-ups or hardware brand stamps shown",
        "no hangtag or wordmark close-up shown"
    ],
    "authenticity_concerns": [
        "photo 1: The all-over monogram is a brand-evoking lookalike pattern, not identifiable Coach Signature canvas.",
        "photo 3: Synthetic lining and compartment construction are inconsistent with a vintage Coach classic.",
        "photo 1: No Coach identifier is visible anywhere in the supplied photos.",
        "photo 1, photo 2: all-over brown monogram with stars\/flowers is LV-like, not Coach Signature C pairing\/alignment",
        "photo 3: shiny synthetic lining and faux-leather flap underside inconsistent with vintage Coach glove-tanned unlined construction"
    ],
    "possible_model_reasoning": [
        "photo 1: The satchel silhouette and top-handle\/detachable-strap arrangement are generic and do not support a specific Coach model.",
        "photo 1: The monogram pattern and modern compartmented interior suggest a contemporary non-Coach fashion bag.",
        "photo 1: Condition appears Very Good overall; light handling wear is visible, but the interior, bottom, and strap underside are incompletely documented.",
        "No Coach model fits: monogram print, snap closure with decorative front straps, polyester lining and plated hardware are inconsistent with any vintage or modern Coach catalog style",
        "Condition: Like New \/ Mint appearance in photos; no visible wear but synthetic materials, not gradable on Coach vintage scale"
    ],
    "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: Gold-tone rectangular strap loops, rings, zipper hardware, and snap-type fittings are visible; no Coach engraving is legible.",
        "leather_description": "photo 1: Brown coated monogram material with smooth tan contrast trim; it does not visibly resemble vintage glove-tanned cowhide.",
        "lining_description": "photo 3: Shiny silver-gray synthetic-looking lining with several zippered compartments is visible.",
        "strap_construction": "photos 1-3: Two rolled top handles and a detachable adjustable shoulder strap with metal clips are visible.",
        "stitching_description": "photos 1-3: White contrast stitching is visible and generally even, but no specialized Coach construction feature can be confirmed."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.002,
    "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": 0.03,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag with top handles and a detachable shoulder strap.",
                    "photo 1: The bag is presented as unbranded, with no visible Coach claim in the listing text."
                ],
                "negative_evidence": [
                    "photo 1: Repeating floral, quatrefoil, and star monogram resembles a generic or Louis Vuitton-inspired print rather than Coach's paired-C Signature canvas.",
                    "photo 2: No legible COACH wordmark, horse-and-carriage, or Coach hangtag is visible.",
                    "photo 3: Interior uses shiny synthetic-looking lining and multiple zip compartments, inconsistent with classic vintage Coach construction.",
                    "photo 1: The material appears coated synthetic canvas with contrast faux-leather trim rather than vintage glove-tanned leather.",
                    "photo 1: Decorative gold-tone hardware and strap-end caps do not match the solid-brass, understated hardware typical of vintage Coach classics."
                ],
                "missing_information": [
                    "photo 3: No close-up of any interior brand label or sewn-in fabric tag.",
                    "photo 3: No close-up of zipper pulls, hardware markings, or country-of-origin tag.",
                    "photo 1: Bottom, side, and complete strap-condition views are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: The all-over monogram is a brand-evoking lookalike pattern, not identifiable Coach Signature canvas.",
                    "photo 3: Synthetic lining and compartment construction are inconsistent with a vintage Coach classic.",
                    "photo 1: No Coach identifier is visible anywhere in the supplied photos."
                ],
                "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: Gold-tone rectangular strap loops, rings, zipper hardware, and snap-type fittings are visible; no Coach engraving is legible.",
                    "leather_description": "photo 1: Brown coated monogram material with smooth tan contrast trim; it does not visibly resemble vintage glove-tanned cowhide.",
                    "lining_description": "photo 3: Shiny silver-gray synthetic-looking lining with several zippered compartments is visible.",
                    "strap_construction": "photos 1-3: Two rolled top handles and a detachable adjustable shoulder strap with metal clips are visible.",
                    "stitching_description": "photos 1-3: White contrast stitching is visible and generally even, but no specialized Coach construction feature can be confirmed."
                },
                "possible_model_reasoning": [
                    "photo 1: The satchel silhouette and top-handle\/detachable-strap arrangement are generic and do not support a specific Coach model.",
                    "photo 1: The monogram pattern and modern compartmented interior suggest a contemporary non-Coach fashion bag.",
                    "photo 1: Condition appears Very Good overall; light handling wear is visible, but the interior, bottom, and strap underside are incompletely documented."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1, photo 2: all-over brown monogram with stars\/flowers is LV-like, not Coach Signature C pairing\/alignment",
                    "photo 3: shiny synthetic lining and faux-leather flap underside inconsistent with vintage Coach glove-tanned unlined construction"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "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": [
                    "no Coach creed patch visible in interior view (photo 3)",
                    "no bottom\/side close-ups or hardware brand stamps shown",
                    "no hangtag or wordmark close-up shown"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: brown coated canvas with LV-style flower\/star\/circle monogram, not Coach C-print",
                    "photo 1, photo 2, photo 3: bright gold-tone snap closure and thin plated rings, not vintage solid brass turnlock",
                    "photo 3: grey shiny polyester lining with zip pocket, not unlined glove-tanned suede",
                    "photo 1, photo 2, photo 3: faux\/coated pebbled texture with tan faux-leather trim and white contrast stitching",
                    "photo 3: tan smooth synthetic flap underside, not leather suede back"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone snap buttons, top-handle D-rings, side clasps and zipper; thin plated appearance, not solid brass turnlock",
                    "leather_description": "brown coated faux-leather\/canvas with tan LV-like monogram print, tan smooth faux-leather trim",
                    "lining_description": "photo 3: light grey shiny synthetic polyester lining with interior zip pocket",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "white\/cream contrast stitching around flap and trim, even machine stitching",
                    "strap_construction": "short rolled top handle with riveted mounts plus thin detachable crossbody strap stored inside (photo 3)",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1, photo 2: small top-handle satchel handbag silhouette documented"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: monogram print, snap closure with decorative front straps, polyester lining and plated hardware are inconsistent with any vintage or modern Coach catalog style",
                    "Condition: Like New \/ Mint appearance in photos; no visible wear but synthetic materials, not gradable on Coach vintage scale"
                ],
                "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": 19414,
            "output_tokens": 805,
            "total_tokens": 20219,
            "estimated_cost_usd": 0.009698
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 20077,
            "output_tokens": 1193,
            "total_tokens": 21270,
            "estimated_cost_usd": 0.00497
        }
    ]
}