Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.425,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.685,
    "seller_misidentification_probability": 0.465,
    "confidence": 0.825,
    "recommended_max_bid": 7.5,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 2: Interior label clearly reads \u201cPartners\u201d and \u201cGenuine Leather,\u201d identifying a non-Coach brand.",
        "photo 1: Bag has a fabric-lined zip-top tote construction, not the typical unlined interior of many vintage Coach glove-tanned classics.",
        "photo 1: Visible gold-tone hardware and zipper do not show a Coach wordmark or other Coach identifier.",
        "photo 2: No Coach creed patch, serial\/style number, horse-and-carriage, or Coach hangtag is visible.",
        "photo 2: interior woven fabric label reads 'Partners MERVYNS GENUINE LEATHER' - alternate department-store brand, not Coach creed\/wordmark",
        "photo 1: interior is dark fabric lined with zip pocket, not unlined glove-tanned suede with leather creed patch of vintage Coach classics",
        "photo 1-2: no COACH wordmark, horse-and-carriage, creed patch, hangtag, or solid-brass turnlock visible"
    ],
    "missing_information": [
        "Exterior front and back views to assess overall silhouette and condition.",
        "Bottom, corners, handles, and zipper-pull close-ups.",
        "Any additional interior pockets or labels.",
        "Seller-stated dimensions and exact material\/condition details.",
        "photo of full exterior front\/back\/bottom and sides not shown",
        "hardware close-ups and exterior condition\/ corners not shown",
        "strap\/handle full length and dimensions not shown"
    ],
    "authenticity_concerns": [
        "photo 2: The visible Partners label is inconsistent with Coach manufacture; this appears to be a non-Coach leather handbag rather than a Coach lookalike requiring authentication.",
        "photo 1: No Coach-specific identifier is visible in the provided views."
    ],
    "possible_model_reasoning": [
        "photo 1: The zip-top tote silhouette with two short handles does not provide a distinctive Coach model match.",
        "photo 2: The Partners label is the strongest brand identifier and rules against assigning a Coach model.",
        "Condition: indeterminate; the provided interior view does not adequately show exterior corners, base, handles, or overall wear.",
        "photo 2 brand label positively identifies bag as Mervyn's Partners genuine leather, excluding Coach manufacture",
        "silhouette is zip-top satchel with fabric lining, inconsistent with unlined glove-tanned vintage Coach classics and with no Coach hard identifier",
        "Condition: unable to grade; exterior corners\/bottom not shown, interior appears clean but emptied view limited"
    ],
    "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 handle attachments and zip hardware are visible; no Coach engraving is legible.",
        "leather_description": "photo 1: Dark black\/brown pebbled leather or leather-like exterior is partially visible; exact leather quality is not verifiable.",
        "lining_description": "photo 1: Dark fabric or synthetic lining with multiple zip compartments is visible.",
        "strap_construction": "photo 1: Two short handles attached with gold-tone rectangular fittings; full handle construction is not shown.",
        "stitching_description": "photo 1: Visible stitching appears generally straight along the top edge and handle attachments, though details are limited."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0327,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.55,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 2: Interior label clearly reads \u201cPartners\u201d and \u201cGenuine Leather,\u201d identifying a non-Coach brand.",
                    "photo 1: Bag has a fabric-lined zip-top tote construction, not the typical unlined interior of many vintage Coach glove-tanned classics.",
                    "photo 1: Visible gold-tone hardware and zipper do not show a Coach wordmark or other Coach identifier.",
                    "photo 2: No Coach creed patch, serial\/style number, horse-and-carriage, or Coach hangtag is visible."
                ],
                "missing_information": [
                    "Exterior front and back views to assess overall silhouette and condition.",
                    "Bottom, corners, handles, and zipper-pull close-ups.",
                    "Any additional interior pockets or labels.",
                    "Seller-stated dimensions and exact material\/condition details."
                ],
                "authenticity_concerns": [
                    "photo 2: The visible Partners label is inconsistent with Coach manufacture; this appears to be a non-Coach leather handbag rather than a Coach lookalike requiring authentication.",
                    "photo 1: No Coach-specific identifier is visible in the provided views."
                ],
                "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 handle attachments and zip hardware are visible; no Coach engraving is legible.",
                    "leather_description": "photo 1: Dark black\/brown pebbled leather or leather-like exterior is partially visible; exact leather quality is not verifiable.",
                    "lining_description": "photo 1: Dark fabric or synthetic lining with multiple zip compartments is visible.",
                    "strap_construction": "photo 1: Two short handles attached with gold-tone rectangular fittings; full handle construction is not shown.",
                    "stitching_description": "photo 1: Visible stitching appears generally straight along the top edge and handle attachments, though details are limited."
                },
                "possible_model_reasoning": [
                    "photo 1: The zip-top tote silhouette with two short handles does not provide a distinctive Coach model match.",
                    "photo 2: The Partners label is the strongest brand identifier and rules against assigning a Coach model.",
                    "Condition: indeterminate; the provided interior view does not adequately show exterior corners, base, handles, or overall wear."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 5,
                "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": 0.75,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo of full exterior front\/back\/bottom and sides not shown",
                    "hardware close-ups and exterior condition\/ corners not shown",
                    "strap\/handle full length and dimensions not shown"
                ],
                "negative_evidence": [
                    "photo 2: interior woven fabric label reads 'Partners MERVYNS GENUINE LEATHER' - alternate department-store brand, not Coach creed\/wordmark",
                    "photo 1: interior is dark fabric lined with zip pocket, not unlined glove-tanned suede with leather creed patch of vintage Coach classics",
                    "photo 1-2: no COACH wordmark, horse-and-carriage, creed patch, hangtag, or solid-brass turnlock visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone hardware at handle attachments and zip top; zipper teeth visible in photo 1, pull brand not legible; tone and solidity not assessable",
                    "leather_description": "black smooth leather exterior, finish appears coated; texture detail limited by lighting",
                    "lining_description": "dark fabric lining in photo 1 with interior zip pocket; not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight stitching visible along zip tape and label area in photo 2; overall stitch quality not assessable",
                    "strap_construction": "short top handles attached with gold-tone rings; full length, underside and detachability not visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 2 brand label positively identifies bag as Mervyn's Partners genuine leather, excluding Coach manufacture",
                    "silhouette is zip-top satchel with fabric lining, inconsistent with unlined glove-tanned vintage Coach classics and with no Coach hard identifier",
                    "Condition: unable to grade; exterior corners\/bottom not shown, interior appears clean but emptied view limited"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.3
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 15959,
            "output_tokens": 727,
            "total_tokens": 16686,
            "estimated_cost_usd": 0.008128
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16258,
            "output_tokens": 1167,
            "total_tokens": 17425,
            "estimated_cost_usd": 0.004185
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    ]
}