Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.015,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.775,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.905,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: listing title explicitly describes PU leather, which is inconsistent with classic vintage Coach glove-tanned leather.",
        "photo 1: glossy, heavily padded synthetic-looking construction and numerous decorative zippered compartments do not match the documented vintage Coach classic silhouettes.",
        "photo 1: central silver heart ornament and braided decorative appliqu\u00e9 are not Coach identifiers.",
        "photo 2: hardware is mostly bright silver-tone zipper hardware; no vintage Coach-style brass turnlock is visible.",
        "photo 1: the bag appears to use a thin, molded or synthetic strap and mass-produced decorative construction rather than typical Coach leather strap construction.",
        "photo 1 and photo 2: no legible COACH wordmark, creed patch, serial\/style number, horse-and-carriage mark, or Coach hangtag is visible.",
        "photo 1, photo 2: seller title states 'Pu Leather' - faux\/PU is coach_probability <=0.05 per skill",
        "photo 1, photo 2: modern fast-fashion multi-zip crossbody silhouette with stacked front zip pockets - no Coach catalog silhouette match",
        "photo 1, photo 2: silver-tone base-metal zippers and heart-shaped front medallion - never used on vintage Coach classics which use solid brass turnlock",
        "photo 1, photo 2: no turnlock, no leather hangtag, no COACH wordmark or horse-and-carriage visible",
        "photo 1, photo 2: thin coated faux-leather with wrinkled PU grain and high gloss, not full-grain glove-tanned cowhide",
        "photo 1, photo 2: thin flat strap with silver-tone snap-hook attachments, not brass dogleash \/ buckle-adjust Coach construction"
    ],
    "missing_information": [
        "interior view, including any brand label or creed patch",
        "close-up of all interior tags and zipper pulls",
        "bottom, side, and back views",
        "seller-stated dimensions and material confirmation",
        "interior \/ lining view not shown",
        "creed patch close-up not shown - no indication one exists",
        "bottom, back and side views not shown",
        "hardware brand stamps not shown"
    ],
    "authenticity_concerns": [
        "photo 1: PU\/synthetic material and generic decorative design strongly indicate a non-Coach lookalike rather than a Coach product.",
        "photo 1: prominent heart ornament may be intended as generic designer styling, but it is not evidence of Coach manufacture.",
        "photos 1-2 appear to be clean product\/stock-style images, so wear, construction quality, and interior branding cannot be independently evaluated.",
        "photo 1, photo 2: PU \/ faux leather material stated in title and visible as high-sheen coated faux leather - excludes vintage Coach glove-tanned leather per skill S1"
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the multi-zip messenger silhouette is generic, while the heart ornament and braided front decoration are inconsistent with the listed vintage Coach catalog styles.",
        "Era assessment is based on synthetic construction and mass-market styling; no dated Coach identifier is visible.",
        "Condition cannot be reliably graded from product photos; no obvious damage is shown, but interior, odor, and functional wear are unknown.",
        "No Coach model fits: multi-zip PU crossbody with heart hardware matches no Classic glove-tanned era style (City Bag, Willis, Court, Station, Dinky etc.) in closure, strap, or material",
        "Era reasoning: PU material + silver-tone hardware + fast-fashion styling = modern (2000s+) non-Coach",
        "Condition: appears New \/ like-new stock-type condition with no visible wear in photo 1, photo 2, but bottom\/interior not shown so full 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": false,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "Bright silver-tone zipper pulls, rings, and rivet-like decorative elements are visible in photos 1-2; no Coach-stamped hardware is visible.",
        "leather_description": "Glossy, quilted or wrinkled brown material visually resembles synthetic PU; the seller title states PU leather. No grain or edge detail sufficient to establish natural leather is visible.",
        "lining_description": "not_visible",
        "strap_construction": "Thin brown synthetic-looking shoulder strap with metal rings and adjustable-looking attachment hardware; full construction is visible in photo 2.",
        "stitching_description": "Visible decorative and perimeter stitching appears machine-sewn and generally even, but close-up quality is insufficient for detailed assessment."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0009,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.85,
                "seller_misidentification_probability": 0.06,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: listing title explicitly describes PU leather, which is inconsistent with classic vintage Coach glove-tanned leather.",
                    "photo 1: glossy, heavily padded synthetic-looking construction and numerous decorative zippered compartments do not match the documented vintage Coach classic silhouettes.",
                    "photo 1: central silver heart ornament and braided decorative appliqu\u00e9 are not Coach identifiers.",
                    "photo 2: hardware is mostly bright silver-tone zipper hardware; no vintage Coach-style brass turnlock is visible.",
                    "photo 1: the bag appears to use a thin, molded or synthetic strap and mass-produced decorative construction rather than typical Coach leather strap construction.",
                    "photo 1 and photo 2: no legible COACH wordmark, creed patch, serial\/style number, horse-and-carriage mark, or Coach hangtag is visible."
                ],
                "missing_information": [
                    "interior view, including any brand label or creed patch",
                    "close-up of all interior tags and zipper pulls",
                    "bottom, side, and back views",
                    "seller-stated dimensions and material confirmation"
                ],
                "authenticity_concerns": [
                    "photo 1: PU\/synthetic material and generic decorative design strongly indicate a non-Coach lookalike rather than a Coach product.",
                    "photo 1: prominent heart ornament may be intended as generic designer styling, but it is not evidence of Coach manufacture.",
                    "photos 1-2 appear to be clean product\/stock-style images, so wear, construction quality, and interior branding cannot be independently evaluated."
                ],
                "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": "Bright silver-tone zipper pulls, rings, and rivet-like decorative elements are visible in photos 1-2; no Coach-stamped hardware is visible.",
                    "leather_description": "Glossy, quilted or wrinkled brown material visually resembles synthetic PU; the seller title states PU leather. No grain or edge detail sufficient to establish natural leather is visible.",
                    "lining_description": "not_visible",
                    "strap_construction": "Thin brown synthetic-looking shoulder strap with metal rings and adjustable-looking attachment hardware; full construction is visible in photo 2.",
                    "stitching_description": "Visible decorative and perimeter stitching appears machine-sewn and generally even, but close-up quality is insufficient for detailed assessment."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the multi-zip messenger silhouette is generic, while the heart ornament and braided front decoration are inconsistent with the listed vintage Coach catalog styles.",
                    "Era assessment is based on synthetic construction and mass-market styling; no dated Coach identifier is visible.",
                    "Condition cannot be reliably graded from product photos; no obvious damage is shown, but interior, odor, and functional wear are unknown."
                ],
                "confidence": 0.89,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1, photo 2: PU \/ faux leather material stated in title and visible as high-sheen coated faux leather - excludes vintage Coach glove-tanned leather per skill S1"
                ],
                "authenticity_confidence": 0.01,
                "coach_probability": 0.01,
                "confidence": 0.92,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior \/ lining view not shown",
                    "creed patch close-up not shown - no indication one exists",
                    "bottom, back and side views not shown",
                    "hardware brand stamps not shown"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: seller title states 'Pu Leather' - faux\/PU is coach_probability <=0.05 per skill",
                    "photo 1, photo 2: modern fast-fashion multi-zip crossbody silhouette with stacked front zip pockets - no Coach catalog silhouette match",
                    "photo 1, photo 2: silver-tone base-metal zippers and heart-shaped front medallion - never used on vintage Coach classics which use solid brass turnlock",
                    "photo 1, photo 2: no turnlock, no leather hangtag, no COACH wordmark or horse-and-carriage visible",
                    "photo 1, photo 2: thin coated faux-leather with wrinkled PU grain and high gloss, not full-grain glove-tanned cowhide",
                    "photo 1, photo 2: thin flat strap with silver-tone snap-hook attachments, not brass dogleash \/ buckle-adjust Coach construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone \/ gunmetal-tone base metal zippers with rectangular pulls and small rivets; heart-shaped decorative medallion on front pocket; snap-hook strap attachments",
                    "leather_description": "brown PU faux leather with high-sheen coated surface and wrinkled faux grain, not glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible topstitching around front pockets, tone-on-tone but with fast-fashion multi-seam construction",
                    "strap_construction": "thin flat PU crossbody\/shoulder strap attached with silver-tone metal rings, adjustable slide visible in photo 2",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: multi-zip PU crossbody with heart hardware matches no Classic glove-tanned era style (City Bag, Willis, Court, Station, Dinky etc.) in closure, strap, or material",
                    "Era reasoning: PU material + silver-tone hardware + fast-fashion styling = modern (2000s+) non-Coach",
                    "Condition: appears New \/ like-new stock-type condition with no visible wear in photo 1, photo 2, but bottom\/interior not shown so full grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.01
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18557,
            "output_tokens": 774,
            "total_tokens": 19331,
            "estimated_cost_usd": 0.00928
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 19074,
            "output_tokens": 1250,
            "total_tokens": 20324,
            "estimated_cost_usd": 0.004815
        }
    ]
}