Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.03,
    "vintage_probability": 0.04,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.455,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.65,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: is a leather-type large shoulder handbag, the population where misidentified bags can occur"
    ],
    "negative_evidence": [
        "photo 1: Exterior view shows a metallic, heavily textured brown shoulder bag with multiple straps and buckle details, but no visible Coach wordmark, carriage, creed patch, or hangtag.",
        "photo 1: Hardware appears dark\/plated rather than the solid brass hardware typical of many vintage Coach classics.",
        "photo 1: The metallic finish and highly pebbled surface are more consistent with a modern fashion bag than vintage glove-tanned Coach leather.",
        "photo 1: Listing identifies the item as unbranded and does not provide any Coach-specific information.",
        "photo 1: metallic bronze coated leather with high gloss - not vintage Coach glove-tanned cowhide",
        "photo 1: dark gunmetal \/ blackened hardware including O-rings, rivets and lobster clip - not vintage solid brass",
        "photo 1: slouchy multi-strap tote with belted side detail and O-ring handle attachments - does not match a vintage Coach catalog silhouette",
        "photo 1-2: no creed patch, COACH wordmark, horse-and-carriage, hangtag or turnlock visible",
        "photo 1-2: only one duplicated exterior view provided, no interior or identifier views"
    ],
    "missing_information": [
        "Straight-on interior photo, including all pockets and seams where a creed or fabric tag might be located.",
        "Close-up photos of any interior labels, stamps, zipper pulls, or hardware engravings.",
        "Clear photos of the bottom, corners, strap ends, and closure hardware.",
        "Seller-stated material, dimensions, approximate age, and country of manufacture.",
        "photo 1-2: interior not shown - no creed patch, lining, or fabric tags visible",
        "photo 1-2: no close-up of hardware engravings, zipper brand, or wordmark",
        "photo 1-2: no front, back, side, bottom, corner and strap-detail views - only one duplicated 3\/4 view",
        "photo 1-2: no hangtag views",
        "seller-stated dimensions, materials and country of manufacture"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible in the provided exterior photo; the bag currently appears to be an unbranded lookalike or ordinary fashion handbag.",
        "The metallic finish and dark hardware do not fit the usual construction cues of classic vintage Coach, although the interior and material cannot be verified."
    ],
    "possible_model_reasoning": [
        "No Coach model fits: shape, metallic coated leather, gunmetal hardware and lack of turnlock\/creed\/hangtag are inconsistent with 1970s-1990s classics and with 2000s signature lines",
        "Condition: Good to Very Good from single view - appears intact with surface shine and slouch but corners, bottom, interior and strap fold not shown so 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": "photo 1: Multiple dark-tone rings, buckles, snaps, and strap attachments are visible; no Coach engraving is legible. The central closure appears buckle-based rather than a Coach turnlock.",
        "leather_description": "photo 1: Metallic brown, strongly textured material with a glossy reflective finish is visible; whether it is leather, coated leather, or synthetic cannot be determined.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Several wide adjustable-looking straps and a detachable-looking long strap are visible, with dark-tone ring and buckle attachments.",
        "stitching_description": "photo 1: Exterior seams and edge stitching are visible but partially obscured by the overlapping straps; no distinctive Coach construction detail can be confirmed."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.04,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.46,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Exterior view shows a metallic, heavily textured brown shoulder bag with multiple straps and buckle details, but no visible Coach wordmark, carriage, creed patch, or hangtag.",
                    "photo 1: Hardware appears dark\/plated rather than the solid brass hardware typical of many vintage Coach classics.",
                    "photo 1: The metallic finish and highly pebbled surface are more consistent with a modern fashion bag than vintage glove-tanned Coach leather.",
                    "photo 1: Listing identifies the item as unbranded and does not provide any Coach-specific information."
                ],
                "missing_information": [
                    "Straight-on interior photo, including all pockets and seams where a creed or fabric tag might be located.",
                    "Close-up photos of any interior labels, stamps, zipper pulls, or hardware engravings.",
                    "Clear photos of the bottom, corners, strap ends, and closure hardware.",
                    "Seller-stated material, dimensions, approximate age, and country of manufacture."
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible in the provided exterior photo; the bag currently appears to be an unbranded lookalike or ordinary fashion handbag.",
                    "The metallic finish and dark hardware do not fit the usual construction cues of classic vintage Coach, although the interior and material cannot be verified."
                ],
                "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: Multiple dark-tone rings, buckles, snaps, and strap attachments are visible; no Coach engraving is legible. The central closure appears buckle-based rather than a Coach turnlock.",
                    "leather_description": "photo 1: Metallic brown, strongly textured material with a glossy reflective finish is visible; whether it is leather, coated leather, or synthetic cannot be determined.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Several wide adjustable-looking straps and a detachable-looking long strap are visible, with dark-tone ring and buckle attachments.",
                    "stitching_description": "photo 1: Exterior seams and edge stitching are visible but partially obscured by the overlapping straps; no distinctive Coach construction detail can be confirmed."
                },
                "possible_model_reasoning": [],
                "confidence": 0.65,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.65,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.45,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1-2: interior not shown - no creed patch, lining, or fabric tags visible",
                    "photo 1-2: no close-up of hardware engravings, zipper brand, or wordmark",
                    "photo 1-2: no front, back, side, bottom, corner and strap-detail views - only one duplicated 3\/4 view",
                    "photo 1-2: no hangtag views",
                    "seller-stated dimensions, materials and country of manufacture"
                ],
                "negative_evidence": [
                    "photo 1: metallic bronze coated leather with high gloss - not vintage Coach glove-tanned cowhide",
                    "photo 1: dark gunmetal \/ blackened hardware including O-rings, rivets and lobster clip - not vintage solid brass",
                    "photo 1: slouchy multi-strap tote with belted side detail and O-ring handle attachments - does not match a vintage Coach catalog silhouette",
                    "photo 1-2: no creed patch, COACH wordmark, horse-and-carriage, hangtag or turnlock visible",
                    "photo 1-2: only one duplicated exterior view provided, no interior or identifier views"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "dark gunmetal-tone O-rings, dome rivets and lobster-claw detachable strap hardware; no COACH engraving visible",
                    "leather_description": "metallic bronze-brown coated leather with high shine and soft slouch, not matte glove-tanned full-grain",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-matched stitching visible at handles and trim but no close-up to assess evenness",
                    "strap_construction": "two short top handles with riveted tabs plus detachable longer shoulder strap on lobster clips",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: is a leather-type large shoulder handbag, the population where misidentified bags can occur"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: shape, metallic coated leather, gunmetal hardware and lack of turnlock\/creed\/hangtag are inconsistent with 1970s-1990s classics and with 2000s signature lines",
                    "Condition: Good to Very Good from single view - appears intact with surface shine and slouch but corners, bottom, interior and strap fold not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.04
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 21094,
            "output_tokens": 696,
            "total_tokens": 21790,
            "estimated_cost_usd": 0.010108
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 22108,
            "output_tokens": 1107,
            "total_tokens": 23215,
            "estimated_cost_usd": 0.005307
        }
    ]
}