Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.745,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.88,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Exterior appears to be a structured synthetic\/textile tote with fine embossed or woven texture, not vintage glove-tanned leather.",
        "photo 1: No visible Coach wordmark, horse-and-carriage, hangtag, or other Coach identifier.",
        "photo 2: Generic tote construction and gold-tone hardware do not show the solid-brass vintage Coach turnlock or other characteristic Coach hardware.",
        "photo 3: Interior appears fabric-lined with dark synthetic lining and multiple zip compartments, unlike the unlined construction of many classic vintage Coach styles.",
        "listing text: Seller describes the bag as 100% polyester and unbranded; this is consistent with the visible synthetic construction.",
        "photo 1, photo 2: crosshatch embossed synthetic saffiano-like material, not glove-tanned cowhide",
        "photo 1, photo 2: bright gold-tone plated hardware and base feet, not vintage solid brass",
        "photo 3: dark fabric lining with center zip divider and magnetic snap, not unlined suede interior",
        "photo 1, photo 2, photo 3: no turnlock, no leather hangtag, no COACH wordmark or horse-and-carriage visible",
        "photo 1, photo 2, photo 3: no creed patch visible",
        "seller title states 'No Brand' and '100% Polyester'"
    ],
    "missing_information": [
        "photo 4: A close, straight-on photo of every interior label, sewn tag, or stamped patch would definitively check for a hidden brand identifier.",
        "photo 5: Close-ups of zipper pulls and all hardware markings are not provided.",
        "photo 6: Full side, bottom, and strap-end views are not provided.",
        "photo of interior back wall \/ slip pocket straight-on for creed check (photo 3 is dark and angled)",
        "close-up of zipper pull brand stamp and hardware engravings",
        "close-up of any interior fabric \/ leather tags"
    ],
    "authenticity_concerns": [
        "photo 1: The synthetic\/textile body and modern structured design are inconsistent with the usual vintage leather Coach population.",
        "photo 3: Fabric-lined construction and generic hardware provide no support for Coach manufacture."
    ],
    "possible_model_reasoning": [
        "photo 1: The silhouette is a generic structured zip-top tote rather than a recognizable vintage Coach catalog model.",
        "photo 3: The fabric-lined multi-compartment interior and synthetic exterior suggest a modern non-Coach tote.",
        "Condition: Good to Very Good based on visible intact structure and stitching, with some loose thread visible near the upper right edge in photo 1; bottom, corners, and odor cannot be fully graded.",
        "No Coach silhouette match: double-handle zip-divide tote with exterior zip pocket and magnetic wings does not match classic turnlock flap models (Willis 9927, Court 9870, Station 5130, Dinky 9375 etc.)",
        "Materials and construction point to modern synthetic fast-fashion tote, not any Coach era",
        "Condition: Good to Very Good; surface looks intact in photos 1-2, bottom not worn, interior not fully gradable due to dark photo 3"
    ],
    "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 zipper and small attachment hardware are visible; no Coach engraving is legible. photo 2: Gold-tone feet are visible. No turnlock is present.",
        "leather_description": "photo 1: Body and handles appear synthetic textile or coated material with a fine regular texture; genuine leather is not visibly established.",
        "lining_description": "photo 3: Dark fabric or synthetic lining with multiple compartments and zippered sections is visible; exact material is not legible.",
        "strap_construction": "photo 1: Two fixed rounded handles attached with stitched tabs; no detachable shoulder strap is visible.",
        "stitching_description": "photos 1-2: Straight machine stitching is visible around the exterior panels and handle attachments; no distinctive Coach construction is apparent."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0013,
    "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": 0.02,
                "image_quality_score": 0.84,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Exterior appears to be a structured synthetic\/textile tote with fine embossed or woven texture, not vintage glove-tanned leather.",
                    "photo 1: No visible Coach wordmark, horse-and-carriage, hangtag, or other Coach identifier.",
                    "photo 2: Generic tote construction and gold-tone hardware do not show the solid-brass vintage Coach turnlock or other characteristic Coach hardware.",
                    "photo 3: Interior appears fabric-lined with dark synthetic lining and multiple zip compartments, unlike the unlined construction of many classic vintage Coach styles.",
                    "listing text: Seller describes the bag as 100% polyester and unbranded; this is consistent with the visible synthetic construction."
                ],
                "missing_information": [
                    "photo 4: A close, straight-on photo of every interior label, sewn tag, or stamped patch would definitively check for a hidden brand identifier.",
                    "photo 5: Close-ups of zipper pulls and all hardware markings are not provided.",
                    "photo 6: Full side, bottom, and strap-end views are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: The synthetic\/textile body and modern structured design are inconsistent with the usual vintage leather Coach population.",
                    "photo 3: Fabric-lined construction and generic hardware provide no support for Coach manufacture."
                ],
                "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 zipper and small attachment hardware are visible; no Coach engraving is legible. photo 2: Gold-tone feet are visible. No turnlock is present.",
                    "leather_description": "photo 1: Body and handles appear synthetic textile or coated material with a fine regular texture; genuine leather is not visibly established.",
                    "lining_description": "photo 3: Dark fabric or synthetic lining with multiple compartments and zippered sections is visible; exact material is not legible.",
                    "strap_construction": "photo 1: Two fixed rounded handles attached with stitched tabs; no detachable shoulder strap is visible.",
                    "stitching_description": "photos 1-2: Straight machine stitching is visible around the exterior panels and handle attachments; no distinctive Coach construction is apparent."
                },
                "possible_model_reasoning": [
                    "photo 1: The silhouette is a generic structured zip-top tote rather than a recognizable vintage Coach catalog model.",
                    "photo 3: The fabric-lined multi-compartment interior and synthetic exterior suggest a modern non-Coach tote.",
                    "Condition: Good to Very Good based on visible intact structure and stitching, with some loose thread visible near the upper right edge in photo 1; bottom, corners, and odor cannot be fully graded."
                ],
                "confidence": 0.88,
                "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": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "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": [
                    "photo of interior back wall \/ slip pocket straight-on for creed check (photo 3 is dark and angled)",
                    "close-up of zipper pull brand stamp and hardware engravings",
                    "close-up of any interior fabric \/ leather tags"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: crosshatch embossed synthetic saffiano-like material, not glove-tanned cowhide",
                    "photo 1, photo 2: bright gold-tone plated hardware and base feet, not vintage solid brass",
                    "photo 3: dark fabric lining with center zip divider and magnetic snap, not unlined suede interior",
                    "photo 1, photo 2, photo 3: no turnlock, no leather hangtag, no COACH wordmark or horse-and-carriage visible",
                    "photo 1, photo 2, photo 3: no creed patch visible",
                    "seller title states 'No Brand' and '100% Polyester'"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated hardware; rectangular zipper pull, magnetic snap, small dome base feet; not solid brass vintage hardware",
                    "leather_description": "brown crosshatch-embossed synthetic material consistent with 100% polyester \/ faux saffiano; not glove-tanned leather, no patina or natural grain",
                    "lining_description": "dark fabric lining in center compartment; not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching tone-on-tone, visible edge stitching on handles and pocket",
                    "strap_construction": "two short rolled top handles attached with stitched tabs and small metal rings; no buckle-adjustable or dogleash strap",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach silhouette match: double-handle zip-divide tote with exterior zip pocket and magnetic wings does not match classic turnlock flap models (Willis 9927, Court 9870, Station 5130, Dinky 9375 etc.)",
                    "Materials and construction point to modern synthetic fast-fashion tote, not any Coach era",
                    "Condition: Good to Very Good; surface looks intact in photos 1-2, bottom not worn, interior not fully gradable due to dark photo 3"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 21934,
            "output_tokens": 720,
            "total_tokens": 22654,
            "estimated_cost_usd": 0.010502
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 22732,
            "output_tokens": 1274,
            "total_tokens": 24006,
            "estimated_cost_usd": 0.005566
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    ]
}