Vintage Coach Hunter

{
    "is_handbag_probability": 0.915,
    "coach_probability": 0.02,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.34,
    "seller_misidentification_probability": 0.07,
    "confidence": 0.565,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: glossy yellow croc-embossed coated surface is inconsistent with vintage Coach glove-tanned cowhide",
        "photo 1: numerous oversized textured studs and a decorative buckle are not characteristic of classic Coach construction",
        "photo 1: no visible Coach wordmark, horse-and-carriage, creed, serial\/style number, or recognizable Coach hardware",
        "photo 1: only an extreme close-up is provided, with no standard front, interior, bottom, or label views",
        "photo 1: glossy lime-yellow patent croc-embossed leather, not glove-tanned cowhide",
        "photo 1: large dark gunmetal studs and buckle, not solid brass turnlock \/ brass hardware",
        "photo 1: no creed patch, COACH wordmark, horse-and-carriage, or leather hangtag visible",
        "photo 1: moto \/ Le Cagole-style studded crescent silhouette, not a Coach catalog silhouette"
    ],
    "missing_information": [
        "photo showing the complete front and back of the bag",
        "photo showing the interior, lining, and any labels or tags",
        "photo showing the bottom, sides, strap attachments, and zipper",
        "straight-on close-up of any interior stamp, fabric tag, or hardware engraving",
        "full front, back, side, bottom and interior views - only extreme close-up provided",
        "creed patch \/ interior lining not shown",
        "hangtag, wordmark, hardware stamps not shown",
        "strap full length and dimensions not shown",
        "all four photos are near-duplicates of same detail"
    ],
    "authenticity_concerns": [
        "photo 1: patent-like glossy embossed material and decorative studded styling indicate a generic modern fashion bag rather than a vintage Coach bag",
        "photo 1: buckle hardware is decorative and does not resemble a classic Coach turnlock",
        "photo 1: construction inconsistent with Coach - glossy patent croc-embossed material and oversized dark stud\/buckle hardware with no Coach identifiers"
    ],
    "possible_model_reasoning": [
        "Not a Coach silhouette; studded crescent \/ moto-style shoulder bag resembles Balenciaga Le Cagole type fast-fashion, not any vintage Coach style in catalog",
        "No hard identifiers: no creed, serial, wordmark, hangtag, brass turnlock, or unlined glove-tanned leather to support Coach",
        "Condition: unable to grade - only detail crop shown, no corners, bottom, interior or strap"
    ],
    "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: dark metallic decorative studs and a rectangular buckle-like fitting; no Coach engraving visible",
        "leather_description": "photo 1: glossy yellow croc-embossed coated material; natural leather cannot be established from this close-up",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: yellow strap or trim is partially visible near the top, with hardware under clear wrapping; full construction not visible",
        "stitching_description": "photo 1: visible perimeter stitching is uneven in spacing in places and appears on a glossy coated material"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0017,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.93,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.38,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: glossy yellow croc-embossed coated surface is inconsistent with vintage Coach glove-tanned cowhide",
                    "photo 1: numerous oversized textured studs and a decorative buckle are not characteristic of classic Coach construction",
                    "photo 1: no visible Coach wordmark, horse-and-carriage, creed, serial\/style number, or recognizable Coach hardware",
                    "photo 1: only an extreme close-up is provided, with no standard front, interior, bottom, or label views"
                ],
                "missing_information": [
                    "photo showing the complete front and back of the bag",
                    "photo showing the interior, lining, and any labels or tags",
                    "photo showing the bottom, sides, strap attachments, and zipper",
                    "straight-on close-up of any interior stamp, fabric tag, or hardware engraving"
                ],
                "authenticity_concerns": [
                    "photo 1: patent-like glossy embossed material and decorative studded styling indicate a generic modern fashion bag rather than a vintage Coach bag",
                    "photo 1: buckle hardware is decorative and does not resemble a classic Coach turnlock"
                ],
                "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: dark metallic decorative studs and a rectangular buckle-like fitting; no Coach engraving visible",
                    "leather_description": "photo 1: glossy yellow croc-embossed coated material; natural leather cannot be established from this close-up",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: yellow strap or trim is partially visible near the top, with hardware under clear wrapping; full construction not visible",
                    "stitching_description": "photo 1: visible perimeter stitching is uneven in spacing in places and appears on a glossy coated material"
                },
                "possible_model_reasoning": [],
                "confidence": 0.48,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1: construction inconsistent with Coach - glossy patent croc-embossed material and oversized dark stud\/buckle hardware with no Coach identifiers"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.65,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.3,
                "is_handbag_probability": 0.9,
                "missing_information": [
                    "full front, back, side, bottom and interior views - only extreme close-up provided",
                    "creed patch \/ interior lining not shown",
                    "hangtag, wordmark, hardware stamps not shown",
                    "strap full length and dimensions not shown",
                    "all four photos are near-duplicates of same detail"
                ],
                "negative_evidence": [
                    "photo 1: glossy lime-yellow patent croc-embossed leather, not glove-tanned cowhide",
                    "photo 1: large dark gunmetal studs and buckle, not solid brass turnlock \/ brass hardware",
                    "photo 1: no creed patch, COACH wordmark, horse-and-carriage, or leather hangtag visible",
                    "photo 1: moto \/ Le Cagole-style studded crescent silhouette, not a Coach catalog silhouette"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "dark gunmetal-tone oversized textured studs and small buckle; no brass, no turnlock, no COACH stamping visible",
                    "leather_description": "lime \/ chartreuse glossy patent with croc emboss, piped edges; not glove-tanned",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-on-tone straight stitching visible around trim; no further detail",
                    "strap_construction": "not_visible - only plastic-wrapped strap fragment at top edge",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Not a Coach silhouette; studded crescent \/ moto-style shoulder bag resembles Balenciaga Le Cagole type fast-fashion, not any vintage Coach style in catalog",
                    "No hard identifiers: no creed, serial, wordmark, hangtag, brass turnlock, or unlined glove-tanned leather to support Coach",
                    "Condition: unable to grade - only detail crop shown, no corners, bottom, interior or strap"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 30098,
            "output_tokens": 607,
            "total_tokens": 30705,
            "estimated_cost_usd": 0.013496
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 32205,
            "output_tokens": 1220,
            "total_tokens": 33425,
            "estimated_cost_usd": 0.007417
        }
    ]
}