Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.1,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.79,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.92,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the bag is covered in large decorative sequins and beadwork rather than Coach's typical leather, coated canvas, or signature construction",
        "photo 3: the side view shows satin\/textile body panels and a fabric-covered strap, not glove-tanned leather",
        "photo 7: the interior is shiny synthetic satin lining and includes a visible MADE IN CHINA label",
        "photo 1: no Coach wordmark, carriage, creed patch, or recognizable Coach hardware is visible",
        "photo 2: the zipper opening and decorative hardware do not resemble a vintage Coach turnlock or classic Coach construction",
        "photo 1, photo 2: body is large disc sequin\/paillette over fabric, not glove-tanned leather",
        "photo 4, photo 6: brown satin lining and satin strap, not unlined suede-back leather",
        "photo 3, photo 5: bright gold-tone O-rings and zipper, not solid brass vintage hardware",
        "photo 1-5: no turnlock, no leather hangtag, no COACH wordmark or carriage visible",
        "photo 6: white fabric tag reads CHINA, no leather creed patch visible"
    ],
    "missing_information": [
        "photo 7: the small interior label is only partially visible; a closer view could identify the generic maker",
        "photo 1: bottom and full underside are not shown",
        "photo 7: a fully emptied interior would confirm whether any additional brand label is present",
        "No Coach identifiers to verify; additional creed or hardware close-ups would not change assessment given non-leather sequin construction"
    ],
    "authenticity_concerns": [
        "photo 1: construction is inconsistent with vintage Coach glove-tanned leather handbags",
        "photo 7: Made in China textile construction and synthetic satin lining are inconsistent with the classic vintage Coach styles suggested by the listing title",
        "photo 1: the decorative sequin design and fabric construction indicate a generic or fashion-accessory bag rather than a Coach model"
    ],
    "possible_model_reasoning": [
        "photo 1: the slouchy shoulder-bag silhouette is generic and does not match a specific Coach catalog model",
        "photo 7: synthetic satin lining and the visible China label support a modern decorative fashion bag, not a classic leather Coach bag",
        "photo 1: Condition: Good; substantial decorative coverage limits inspection, with loose threads and some irregular\/separated embellishment visible in photos 3 and 5; interior is present but not fully emptied",
        "No Coach catalog silhouette matches a sequin paillette slouchy hobo; Coach vintage classics are unlined glove-tanned leather with solid brass turnlock, none present",
        "Construction, materials, satin lining and China tag are consistent with Y2K fast-fashion evening bag, not any Coach line",
        "Condition: Good to Very Good for sequin type; sequins appear largely intact in photos 1-2, full functional check not possible"
    ],
    "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 circular strap rings and zipper hardware are visible; no Coach engraving is visible",
        "leather_description": "photo 3: no leather body is visible; the body and strap appear textile\/satin with sewn-on sequins",
        "lining_description": "photo 7: shiny brown\/gold synthetic satin lining is visible; a small MADE IN CHINA label is present",
        "strap_construction": "photo 1: single fabric-covered shoulder strap attached through gold-tone rings; visible stitched\/folded fabric construction",
        "stitching_description": "photos 3 and 5: visible textile stitching and some loose threads around the sequin\/bead embellishment and strap attachment areas"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0013,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.12,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.05,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag is covered in large decorative sequins and beadwork rather than Coach's typical leather, coated canvas, or signature construction",
                    "photo 3: the side view shows satin\/textile body panels and a fabric-covered strap, not glove-tanned leather",
                    "photo 7: the interior is shiny synthetic satin lining and includes a visible MADE IN CHINA label",
                    "photo 1: no Coach wordmark, carriage, creed patch, or recognizable Coach hardware is visible",
                    "photo 2: the zipper opening and decorative hardware do not resemble a vintage Coach turnlock or classic Coach construction"
                ],
                "missing_information": [
                    "photo 7: the small interior label is only partially visible; a closer view could identify the generic maker",
                    "photo 1: bottom and full underside are not shown",
                    "photo 7: a fully emptied interior would confirm whether any additional brand label is present"
                ],
                "authenticity_concerns": [
                    "photo 1: construction is inconsistent with vintage Coach glove-tanned leather handbags",
                    "photo 7: Made in China textile construction and synthetic satin lining are inconsistent with the classic vintage Coach styles suggested by the listing title",
                    "photo 1: the decorative sequin design and fabric construction indicate a generic or fashion-accessory bag rather than a Coach model"
                ],
                "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 circular strap rings and zipper hardware are visible; no Coach engraving is visible",
                    "leather_description": "photo 3: no leather body is visible; the body and strap appear textile\/satin with sewn-on sequins",
                    "lining_description": "photo 7: shiny brown\/gold synthetic satin lining is visible; a small MADE IN CHINA label is present",
                    "strap_construction": "photo 1: single fabric-covered shoulder strap attached through gold-tone rings; visible stitched\/folded fabric construction",
                    "stitching_description": "photos 3 and 5: visible textile stitching and some loose threads around the sequin\/bead embellishment and strap attachment areas"
                },
                "possible_model_reasoning": [
                    "photo 1: the slouchy shoulder-bag silhouette is generic and does not match a specific Coach catalog model",
                    "photo 7: synthetic satin lining and the visible China label support a modern decorative fashion bag, not a classic leather Coach bag",
                    "photo 1: Condition: Good; substantial decorative coverage limits inspection, with loose threads and some irregular\/separated embellishment visible in photos 3 and 5; interior is present but not fully emptied"
                ],
                "confidence": 0.94,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "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": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach identifiers to verify; additional creed or hardware close-ups would not change assessment given non-leather sequin construction"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: body is large disc sequin\/paillette over fabric, not glove-tanned leather",
                    "photo 4, photo 6: brown satin lining and satin strap, not unlined suede-back leather",
                    "photo 3, photo 5: bright gold-tone O-rings and zipper, not solid brass vintage hardware",
                    "photo 1-5: no turnlock, no leather hangtag, no COACH wordmark or carriage visible",
                    "photo 6: white fabric tag reads CHINA, no leather creed patch visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone O-rings at strap and gold-tone zipper with plain pull; lightweight plated appearance",
                    "leather_description": "no leather visible; bronze-gold large disc sequins\/paillettes with beadwork over satin base cloth",
                    "lining_description": "brown\/tan satin fabric lining visible in photo 4 and photo 6",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "machine stitching on satin strap tabs visible in photo 3 and photo 5; body stitching obscured by sequins",
                    "strap_construction": "single satin shoulder strap attached via gold-tone metal O-rings to satin tabs",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach catalog silhouette matches a sequin paillette slouchy hobo; Coach vintage classics are unlined glove-tanned leather with solid brass turnlock, none present",
                    "Construction, materials, satin lining and China tag are consistent with Y2K fast-fashion evening bag, not any Coach line",
                    "Condition: Good to Very Good for sequin type; sequins appear largely intact in photos 1-2, full functional check not possible"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.08
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28783,
            "output_tokens": 787,
            "total_tokens": 29570,
            "estimated_cost_usd": 0.013402
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30096,
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}