Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.635,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.9,
    "recommended_max_bid": 7.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the bag has a bright graffiti-style printed exterior and a small modern cylindrical\/boxy silhouette, not a recognizable vintage Coach construction.",
        "photo 3: no COACH wordmark, horse-and-carriage, creed patch, or Coach hangtag is visible.",
        "photo 1: the listing describes the material as vegan leather; this is strong evidence against a vintage glove-tanned Coach bag.",
        "photos 1, 3 and 5: gold-tone chain straps and decorative hardware are visible, but they do not match the usual solid-brass strap and turnlock construction of classic Coach styles.",
        "photos 1-6: the design appears new\/modern and fashion-oriented rather than a vintage Coach model.",
        "photo 3: white vegan \/ faux leather with all-over graffiti cartoon bear print - not Coach glove-tanned leather",
        "photo 3: mini cylindrical barrel silhouette with chain-through leather tabs - no Coach catalog silhouette match",
        "photo 1: bright gold-tone chain-link crossbody \/ top handles - not vintage solid brass Coach hardware",
        "photo 1-6: no turnlock, no leather hangtag, no COACH wordmark or horse-and-carriage visible",
        "seller text states 'Vegan Leather' 'lightweight' - excludes vintage glove-tanned Coach"
    ],
    "missing_information": [
        "photo 1-6: no interior view is provided, so lining, labels, and any interior brand markings cannot be checked.",
        "photo 1-6: no close-up of the zipper, hardware stamps, or side attachment points is provided.",
        "photo 1-6: no bottom, seam, or material-edge close-ups are provided.",
        "photo 1-6: interior \/ creed patch not shown - request emptied interior back wall and pockets",
        "photo 1-6: no hardware close-up of zipper pull brand stamp",
        "photo 1-6: no bottom \/ corner close-up for condition grading"
    ],
    "authenticity_concerns": [
        "photos 1, 3 and 5: the synthetic\/vegan material and graffiti print are inconsistent with the classic vintage Coach leather population.",
        "photos 1-6: no Coach identifier is visible; the bag should be treated as an unbranded fashion bag rather than a Coach item.",
        "photo 3: the gold decorative spherical charm and chain hardware are not Coach authentication evidence and may be generic fashion hardware."
    ],
    "possible_model_reasoning": [
        "No Coach identifiers visible in any of 6 photos: no creed, no wordmark, no hangtag, no solid-brass turnlock",
        "Materials and form are inconsistent with Coach: seller-stated vegan leather, graffiti print, mini barrel + chain construction indicates modern fast-fashion mini shoulder bag",
        "Era is modern (2000s+), non-Coach; vintage_probability near zero",
        "Condition: appears New \/ Like New in stock-style photos (photo 3-5), but no interior, bottom or close-ups 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 3: gold-tone chain straps, small rings\/clips, zipper hardware, and a decorative spherical charm are visible; no Coach engraving is legible.",
        "leather_description": "photos 1, 3 and 5: smooth white synthetic-looking material with an all-over colorful graffiti\/cartoon print; seller states vegan leather, which is not independently verifiable from the photos.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1-6: detachable-looking gold-tone chain shoulder\/crossbody straps, with chain sections also functioning as a short handle.",
        "stitching_description": "photos 3 and 5: visible light-colored stitched attachment tabs and perimeter seams; detailed stitch quality is not sufficiently clear for brand assessment."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.001,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag has a bright graffiti-style printed exterior and a small modern cylindrical\/boxy silhouette, not a recognizable vintage Coach construction.",
                    "photo 3: no COACH wordmark, horse-and-carriage, creed patch, or Coach hangtag is visible.",
                    "photo 1: the listing describes the material as vegan leather; this is strong evidence against a vintage glove-tanned Coach bag.",
                    "photos 1, 3 and 5: gold-tone chain straps and decorative hardware are visible, but they do not match the usual solid-brass strap and turnlock construction of classic Coach styles.",
                    "photos 1-6: the design appears new\/modern and fashion-oriented rather than a vintage Coach model."
                ],
                "missing_information": [
                    "photo 1-6: no interior view is provided, so lining, labels, and any interior brand markings cannot be checked.",
                    "photo 1-6: no close-up of the zipper, hardware stamps, or side attachment points is provided.",
                    "photo 1-6: no bottom, seam, or material-edge close-ups are provided."
                ],
                "authenticity_concerns": [
                    "photos 1, 3 and 5: the synthetic\/vegan material and graffiti print are inconsistent with the classic vintage Coach leather population.",
                    "photos 1-6: no Coach identifier is visible; the bag should be treated as an unbranded fashion bag rather than a Coach item.",
                    "photo 3: the gold decorative spherical charm and chain hardware are not Coach authentication evidence and may be generic fashion hardware."
                ],
                "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 3: gold-tone chain straps, small rings\/clips, zipper hardware, and a decorative spherical charm are visible; no Coach engraving is legible.",
                    "leather_description": "photos 1, 3 and 5: smooth white synthetic-looking material with an all-over colorful graffiti\/cartoon print; seller states vegan leather, which is not independently verifiable from the photos.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1-6: detachable-looking gold-tone chain shoulder\/crossbody straps, with chain sections also functioning as a short handle.",
                    "stitching_description": "photos 3 and 5: visible light-colored stitched attachment tabs and perimeter seams; detailed stitch quality is not sufficiently clear for brand assessment."
                },
                "possible_model_reasoning": [],
                "confidence": 0.9,
                "recommended_max_bid": 5,
                "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": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1-6: interior \/ creed patch not shown - request emptied interior back wall and pockets",
                    "photo 1-6: no hardware close-up of zipper pull brand stamp",
                    "photo 1-6: no bottom \/ corner close-up for condition grading"
                ],
                "negative_evidence": [
                    "photo 3: white vegan \/ faux leather with all-over graffiti cartoon bear print - not Coach glove-tanned leather",
                    "photo 3: mini cylindrical barrel silhouette with chain-through leather tabs - no Coach catalog silhouette match",
                    "photo 1: bright gold-tone chain-link crossbody \/ top handles - not vintage solid brass Coach hardware",
                    "photo 1-6: no turnlock, no leather hangtag, no COACH wordmark or horse-and-carriage visible",
                    "seller text states 'Vegan Leather' 'lightweight' - excludes vintage glove-tanned Coach"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone chain-link shoulder \/ crossbody chains with ball ends and small round charm; zip top, no turnlock visible",
                    "leather_description": "white smooth vegan \/ faux leather with multicolor graffiti cartoon bear and doodle print visible in photo 3-4",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "dual short chain top handles plus longer detachable chain crossbody strap interwoven with light material; attached via small rectangular faux-leather tabs",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifiers visible in any of 6 photos: no creed, no wordmark, no hangtag, no solid-brass turnlock",
                    "Materials and form are inconsistent with Coach: seller-stated vegan leather, graffiti print, mini barrel + chain construction indicates modern fast-fashion mini shoulder bag",
                    "Era is modern (2000s+), non-Coach; vintage_probability near zero",
                    "Condition: appears New \/ Like New in stock-style photos (photo 3-5), but no interior, bottom or close-ups so grade capped"
                ],
                "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": 18304,
            "output_tokens": 725,
            "total_tokens": 19029,
            "estimated_cost_usd": 0.009062
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18863,
            "output_tokens": 1195,
            "total_tokens": 20058,
            "estimated_cost_usd": 0.004729
        }
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}