Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.015,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.735,
    "seller_misidentification_probability": 0.89,
    "confidence": 0.905,
    "recommended_max_bid": 5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 20,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the bag is made from striped textile\/canvas rather than vintage Coach glove-tanned leather.",
        "photo 1: the front prominently displays CHANEL, a double-C motif, and 31 RUE CAMBON PARIS; no Coach wordmark or horse-and-carriage is visible.",
        "photo 1: the chain straps and gold-tone rings are not characteristic evidence of a vintage Coach model.",
        "photo 1: the seller title calls it a CC novelty bag and the seller brand is Unbranded, consistent with a Chanel-inspired or novelty item rather than Coach.",
        "photo 1: large CHANEL \/ 31 RUE CAMBON PARIS \/ CC logo print on front, no COACH wordmark or horse-and-carriage",
        "photo 1: striped canvas \/ nylon tote body, not glove-tanned leather",
        "photo 1: interwoven chain-and-leather shoulder straps, not Coach brass hardware or turnlock construction",
        "photo 1: no creed patch, no leather hangtag, no solid-brass turnlock visible"
    ],
    "missing_information": [
        "photo 1: interior, lining, labels, and any manufacturer tag are not shown.",
        "photo 1: bottom, side seams, strap attachments, and hardware close-ups are not shown.",
        "photo 1: no provenance, purchase receipt, or material composition is provided.",
        "interior views not shown",
        "close-up of branding \/ tags not shown",
        "bottom \/ side \/ hardware stamps not shown"
    ],
    "authenticity_concerns": [
        "photo 1: the Chanel branding and 31 RUE CAMBON PARIS wording on an unbranded novelty canvas bag raise concern that it is an unauthorized logo-inspired item; it should not be treated as authentic Chanel or Coach.",
        "photo 1: no Coach identifier is visible, and the construction is inconsistent with the vintage Coach population.",
        "photo 1: bag displays CHANEL wordmark and CC logo, inconsistent with Coach manufacture",
        "photo 1: novelty canvas tote construction with chain-and-leather straps is not a Coach silhouette or material"
    ],
    "possible_model_reasoning": [
        "photo 1: this is a tote or shoulder handbag, approximately 15 inches wide based on the tape measure, but its silhouette does not correspond to a recognizable Coach model.",
        "photo 1: the textile construction, chain handles, and prominent non-Coach branding indicate a modern non-Coach novelty bag.",
        "Condition: appears new or lightly used externally, but the interior and underside are not shown; condition cannot be fully graded.",
        "No Coach identifiers visible; CHANEL branding and canvas tote form do not match any Coach catalog style in 4.2-4.3",
        "Construction: canvas novelty tote with chain straps points to modern non-Coach fast-fashion \/ novelty bag",
        "Condition: appears new\/unused from single front view but cannot grade without corners, bottom, interior"
    ],
    "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: two apparent gold-tone chain shoulder straps with circular attachment rings; no Coach-marked hardware is visible.",
        "leather_description": "photo 1: blue, white, and gray textile\/canvas-like exterior; no leather trim is visible.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: chain straps interwoven with dark material, attached through circular rings near the upper edges.",
        "stitching_description": "photo 1: upper edge appears machine-stitched with generally even textile construction; detailed seam quality is not assessable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0011,
    "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": 0.03,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag is made from striped textile\/canvas rather than vintage Coach glove-tanned leather.",
                    "photo 1: the front prominently displays CHANEL, a double-C motif, and 31 RUE CAMBON PARIS; no Coach wordmark or horse-and-carriage is visible.",
                    "photo 1: the chain straps and gold-tone rings are not characteristic evidence of a vintage Coach model.",
                    "photo 1: the seller title calls it a CC novelty bag and the seller brand is Unbranded, consistent with a Chanel-inspired or novelty item rather than Coach."
                ],
                "missing_information": [
                    "photo 1: interior, lining, labels, and any manufacturer tag are not shown.",
                    "photo 1: bottom, side seams, strap attachments, and hardware close-ups are not shown.",
                    "photo 1: no provenance, purchase receipt, or material composition is provided."
                ],
                "authenticity_concerns": [
                    "photo 1: the Chanel branding and 31 RUE CAMBON PARIS wording on an unbranded novelty canvas bag raise concern that it is an unauthorized logo-inspired item; it should not be treated as authentic Chanel or Coach.",
                    "photo 1: no Coach identifier is visible, and the construction is inconsistent with the vintage Coach population."
                ],
                "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: two apparent gold-tone chain shoulder straps with circular attachment rings; no Coach-marked hardware is visible.",
                    "leather_description": "photo 1: blue, white, and gray textile\/canvas-like exterior; no leather trim is visible.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: chain straps interwoven with dark material, attached through circular rings near the upper edges.",
                    "stitching_description": "photo 1: upper edge appears machine-stitched with generally even textile construction; detailed seam quality is not assessable."
                },
                "possible_model_reasoning": [
                    "photo 1: this is a tote or shoulder handbag, approximately 15 inches wide based on the tape measure, but its silhouette does not correspond to a recognizable Coach model.",
                    "photo 1: the textile construction, chain handles, and prominent non-Coach branding indicate a modern non-Coach novelty bag.",
                    "Condition: appears new or lightly used externally, but the interior and underside are not shown; condition cannot be fully graded."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 20
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1: bag displays CHANEL wordmark and CC logo, inconsistent with Coach manufacture",
                    "photo 1: novelty canvas tote construction with chain-and-leather straps is not a Coach silhouette or material"
                ],
                "authenticity_confidence": 0.01,
                "coach_probability": 0.01,
                "confidence": 0.9,
                "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 views not shown",
                    "close-up of branding \/ tags not shown",
                    "bottom \/ side \/ hardware stamps not shown"
                ],
                "negative_evidence": [
                    "photo 1: large CHANEL \/ 31 RUE CAMBON PARIS \/ CC logo print on front, no COACH wordmark or horse-and-carriage",
                    "photo 1: striped canvas \/ nylon tote body, not glove-tanned leather",
                    "photo 1: interwoven chain-and-leather shoulder straps, not Coach brass hardware or turnlock construction",
                    "photo 1: no creed patch, no leather hangtag, no solid-brass turnlock visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone chain straps interwoven with black material with round grommets; no turnlock visible",
                    "leather_description": "no leather body visible; striped woven canvas \/ nylon tote body in blue \/ grey \/ white",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "double chain straps interwoven with black strip, attached via metal eyelets",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifiers visible; CHANEL branding and canvas tote form do not match any Coach catalog style in 4.2-4.3",
                    "Construction: canvas novelty tote with chain straps points to modern non-Coach fast-fashion \/ novelty bag",
                    "Condition: appears new\/unused from single front view but cannot grade without corners, bottom, interior"
                ],
                "possible_models": [],
                "recommended_max_bid": 5,
                "seller_misidentification_probability": 0.9,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16904,
            "output_tokens": 754,
            "total_tokens": 17658,
            "estimated_cost_usd": 0.008571
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17297,
            "output_tokens": 1231,
            "total_tokens": 18528,
            "estimated_cost_usd": 0.004444
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}