Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.79,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.865,
    "recommended_max_bid": 15,
    "estimated_resale_low": 10,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: generic structured zip-top handbag with glossy leather appearance and silver-tone hardware, not a recognizable vintage Coach silhouette",
        "photo 4: interior appears fabric-lined with multiple zip compartments, unlike many classic unlined glove-tanned Coach bags",
        "photo 1: no visible Coach wordmark, horse-and-carriage, creed patch, serial number, or branded hangtag",
        "photos 1, 3, 5, and 6: promotional\/catalog-style imagery rather than photographs documenting an individual vintage bag",
        "photo 6: seller imagery describes generic cowhide\/top-grain leather but provides no Coach-specific information",
        "photo 1: zip-top Boston\/satchel silhouette with top handle + detachable crossbody strap - not a vintage Coach catalog silhouette",
        "photo 1,2,4: silver\/nickel-tone zippers, D-rings and lobster clips - vintage Coach classics use solid brass",
        "photo 4: brown striped polyester fabric lining with multiple zip compartments - vintage Coach classics are unlined suede, not fabric-lined",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 2,4: catalog-style new-product images with dimension graphics and capacity icons - mass-produced new bag, not secondhand vintage"
    ],
    "missing_information": [
        "Straight-on photograph of the interior back wall and every pocket to check for a creed or fabric brand tag",
        "Close-up photographs of all hardware, zipper pulls, labels, and the round leather ornament",
        "Photographs of the actual item from front, back, bottom, sides, and strap ends rather than only promotional images",
        "Seller-stated condition, provenance, and confirmation of whether the pictured item is the exact item being sold",
        "No creed patch shown - interior close-up of back wall\/pocket needed to confirm absence",
        "No hangtag, wordmark, or hardware engraving shown in close-up",
        "No bottom, back exterior, or hardware brand stamps shown"
    ],
    "authenticity_concerns": [],
    "possible_model_reasoning": [
        "No Coach identifier visible in any of 6 photos - no creed, serial, wordmark, hangtag or branded hardware",
        "Construction inconsistent with vintage Coach: silver hardware + fabric lining + zip-top Boston shape vs brass + unlined glove-tanned + turnlock flap",
        "Modern new-production Boston satchel, likely generic fast-fashion; Condition: New (catalog product images)"
    ],
    "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": "Visible silver-tone zipper teeth, zipper pulls, rings, and clips; no Coach engraving is visible. The round leather piece appears decorative rather than a branded hangtag.",
        "leather_description": "Dark brown glossy, smooth-looking leather or leather-like material is visible. The photos do not establish whether it is genuine cowhide, top-grain leather, or synthetic.",
        "lining_description": "Fabric lining with striped or plaid appearance is visible in photo 4; material and brand label are not legible.",
        "strap_construction": "Short rolled top handle and detachable adjustable shoulder strap attached with silver-tone clips; visible construction is modern and generic.",
        "stitching_description": "Visible machine stitching appears generally even and tonal; no distinctive Coach construction detail is visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0012,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: generic structured zip-top handbag with glossy leather appearance and silver-tone hardware, not a recognizable vintage Coach silhouette",
                    "photo 4: interior appears fabric-lined with multiple zip compartments, unlike many classic unlined glove-tanned Coach bags",
                    "photo 1: no visible Coach wordmark, horse-and-carriage, creed patch, serial number, or branded hangtag",
                    "photos 1, 3, 5, and 6: promotional\/catalog-style imagery rather than photographs documenting an individual vintage bag",
                    "photo 6: seller imagery describes generic cowhide\/top-grain leather but provides no Coach-specific information"
                ],
                "missing_information": [
                    "Straight-on photograph of the interior back wall and every pocket to check for a creed or fabric brand tag",
                    "Close-up photographs of all hardware, zipper pulls, labels, and the round leather ornament",
                    "Photographs of the actual item from front, back, bottom, sides, and strap ends rather than only promotional images",
                    "Seller-stated condition, provenance, and confirmation of whether the pictured item is the exact item being sold"
                ],
                "authenticity_concerns": [],
                "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": "Visible silver-tone zipper teeth, zipper pulls, rings, and clips; no Coach engraving is visible. The round leather piece appears decorative rather than a branded hangtag.",
                    "leather_description": "Dark brown glossy, smooth-looking leather or leather-like material is visible. The photos do not establish whether it is genuine cowhide, top-grain leather, or synthetic.",
                    "lining_description": "Fabric lining with striped or plaid appearance is visible in photo 4; material and brand label are not legible.",
                    "strap_construction": "Short rolled top handle and detachable adjustable shoulder strap attached with silver-tone clips; visible construction is modern and generic.",
                    "stitching_description": "Visible machine stitching appears generally even and tonal; no distinctive Coach construction detail is visible."
                },
                "possible_model_reasoning": [],
                "confidence": 0.88,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No creed patch shown - interior close-up of back wall\/pocket needed to confirm absence",
                    "No hangtag, wordmark, or hardware engraving shown in close-up",
                    "No bottom, back exterior, or hardware brand stamps shown"
                ],
                "negative_evidence": [
                    "photo 1: zip-top Boston\/satchel silhouette with top handle + detachable crossbody strap - not a vintage Coach catalog silhouette",
                    "photo 1,2,4: silver\/nickel-tone zippers, D-rings and lobster clips - vintage Coach classics use solid brass",
                    "photo 4: brown striped polyester fabric lining with multiple zip compartments - vintage Coach classics are unlined suede, not fabric-lined",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 2,4: catalog-style new-product images with dimension graphics and capacity icons - mass-produced new bag, not secondhand vintage"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone metal zippers with dual sliders, D-rings, lobster-claw strap clips and top-handle rings; bright plated finish, not solid brass",
                    "leather_description": "dark brown smooth leather-appearing material described in graphic as top-grain cowhide; soft sheen, new condition, no patina",
                    "lining_description": "brown striped fabric lining visible in photo 4 top view, with zip pockets",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching tone-matched to leather, visible around center panel and zipper pulls",
                    "strap_construction": "short rolled top handle on metal rings plus detachable adjustable shoulder strap on lobster clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any of 6 photos - no creed, serial, wordmark, hangtag or branded hardware",
                    "Construction inconsistent with vintage Coach: silver hardware + fabric lining + zip-top Boston shape vs brass + unlined glove-tanned + turnlock flap",
                    "Modern new-production Boston satchel, likely generic fast-fashion; Condition: New (catalog product images)"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 20823,
            "output_tokens": 702,
            "total_tokens": 21525,
            "estimated_cost_usd": 0.010014
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 21427,
            "output_tokens": 1074,
            "total_tokens": 22501,
            "estimated_cost_usd": 0.005145
        }
    ]
}