Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.71,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.89,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: bag is visibly constructed from black denim or cotton twill rather than Coach's typical glove-tanned leather or documented signature canvas.",
        "photo 1: drawstring\/gathered opening, fabric strap, and bright silver-tone hardware are unlike the classic vintage Coach leather construction.",
        "photo 2: front and reverse views show no visible COACH wordmark, horse-and-carriage, creed patch, hangtag, or other Coach identifier.",
        "photo 1: the listing title identifies a denim bag and seller lists it as unbranded; text alone is weak but consistent with the visible generic construction.",
        "photo 1: body and strap are black washed denim \/ jean fabric, not glove-tanned leather",
        "photo 1: silver-tone buckle hardware, not vintage solid brass",
        "photo 1: slouchy hobo with exterior drawstring bows and top zip - no Coach classic silhouette, turnlock, or hangtag",
        "photo 1 and photo 2: no creed patch, COACH wordmark, horse-and-carriage, or leather hangtag visible",
        "photo 2: contrast white stitching and casual denim construction inconsistent with vintage Coach"
    ],
    "missing_information": [
        "photo 1-2: interior, lining, and any sewn-in brand or care labels are not shown.",
        "photo 1-2: close-ups of zipper pulls, hardware, strap attachments, and bottom\/corners are absent.",
        "photo 1-2: dimensions and condition details are not provided.",
        "interior \/ lining views not shown",
        "creed patch not shown - no interior close-up to verify identifiers",
        "bottom, side and back views not shown",
        "hardware engravings \/ zipper brand not shown",
        "seller-stated dimensions and materials not provided"
    ],
    "authenticity_concerns": [
        "photo 1: textile drawstring construction and silver-tone hardware are inconsistent with a likely vintage Coach glove-tanned leather handbag.",
        "photo 1-2: no Coach identifier is visible, so the bag cannot be tied to a Coach model or production era."
    ],
    "possible_model_reasoning": [
        "photo 1-2: silhouette is a generic gathered denim hobo\/crossbody, not a recognizable catalog Coach leather model.",
        "photo 1-2: apparent modern textile construction supports the canonical era label modern (2000s+), non-Coach.",
        "Condition: cannot be reliably graded because the interior, bottom, and close-up wear views are absent; exterior appears intact in the provided product photos.",
        "No Coach identifiers visible in either photo; denim material alone caps coach_probability at 0.05 per triage rule",
        "Silhouette is modern casual denim hobo with side tie-bows, not matching any vintage Coach catalog style (City, Willis, Court, Station, Duffle, etc.)",
        "Condition appears new \/ unused from exterior photos, but no interior or bottom views so grade capped; priced as generic fast-fashion denim bag"
    ],
    "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: small silver-tone rings, clips, and an apparent strap adjuster; no turnlock or Coach engraving is visible.",
        "leather_description": "photo 1-2: black denim or cotton twill textile; leather is not visible.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1-2: long black textile shoulder strap with stitched edges and metal attachment hardware; appears adjustable.",
        "stitching_description": "photo 1-2: visible machine stitching and central panel seams on the textile exterior; close stitching quality is not assessable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0019,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bag is visibly constructed from black denim or cotton twill rather than Coach's typical glove-tanned leather or documented signature canvas.",
                    "photo 1: drawstring\/gathered opening, fabric strap, and bright silver-tone hardware are unlike the classic vintage Coach leather construction.",
                    "photo 2: front and reverse views show no visible COACH wordmark, horse-and-carriage, creed patch, hangtag, or other Coach identifier.",
                    "photo 1: the listing title identifies a denim bag and seller lists it as unbranded; text alone is weak but consistent with the visible generic construction."
                ],
                "missing_information": [
                    "photo 1-2: interior, lining, and any sewn-in brand or care labels are not shown.",
                    "photo 1-2: close-ups of zipper pulls, hardware, strap attachments, and bottom\/corners are absent.",
                    "photo 1-2: dimensions and condition details are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: textile drawstring construction and silver-tone hardware are inconsistent with a likely vintage Coach glove-tanned leather handbag.",
                    "photo 1-2: no Coach identifier is visible, so the bag cannot be tied to a Coach model or production era."
                ],
                "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: small silver-tone rings, clips, and an apparent strap adjuster; no turnlock or Coach engraving is visible.",
                    "leather_description": "photo 1-2: black denim or cotton twill textile; leather is not visible.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1-2: long black textile shoulder strap with stitched edges and metal attachment hardware; appears adjustable.",
                    "stitching_description": "photo 1-2: visible machine stitching and central panel seams on the textile exterior; close stitching quality is not assessable."
                },
                "possible_model_reasoning": [
                    "photo 1-2: silhouette is a generic gathered denim hobo\/crossbody, not a recognizable catalog Coach leather model.",
                    "photo 1-2: apparent modern textile construction supports the canonical era label modern (2000s+), non-Coach.",
                    "Condition: cannot be reliably graded because the interior, bottom, and close-up wear views are absent; exterior appears intact in the provided product photos."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior \/ lining views not shown",
                    "creed patch not shown - no interior close-up to verify identifiers",
                    "bottom, side and back views not shown",
                    "hardware engravings \/ zipper brand not shown",
                    "seller-stated dimensions and materials not provided"
                ],
                "negative_evidence": [
                    "photo 1: body and strap are black washed denim \/ jean fabric, not glove-tanned leather",
                    "photo 1: silver-tone buckle hardware, not vintage solid brass",
                    "photo 1: slouchy hobo with exterior drawstring bows and top zip - no Coach classic silhouette, turnlock, or hangtag",
                    "photo 1 and photo 2: no creed patch, COACH wordmark, horse-and-carriage, or leather hangtag visible",
                    "photo 2: contrast white stitching and casual denim construction inconsistent with vintage Coach"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone rectangular buckles \/ rings at strap joints and silver-tone zipper; thin plated modern hardware, not solid brass",
                    "leather_description": "not leather - black \/ faded black washed denim canvas with soft slouch",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible light contrast topstitching on denim body and strap; casual construction",
                    "strap_construction": "narrow denim crossbody \/ shoulder strap with silver-tone adjustment buckles, sewn \/ gathered into body",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifiers visible in either photo; denim material alone caps coach_probability at 0.05 per triage rule",
                    "Silhouette is modern casual denim hobo with side tie-bows, not matching any vintage Coach catalog style (City, Willis, Court, Station, Duffle, etc.)",
                    "Condition appears new \/ unused from exterior photos, but no interior or bottom views so grade capped; priced as generic fast-fashion denim bag"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18558,
            "output_tokens": 622,
            "total_tokens": 19180,
            "estimated_cost_usd": 0.008916
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 19077,
            "output_tokens": 1044,
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}