Vintage Coach Hunter

{
    "is_handbag_probability": 0.97,
    "coach_probability": 0.02,
    "vintage_probability": 0.065,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.685,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.87,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: bag is constructed from braided straw or raffia with a dark braided handle, a material not characteristic of the vintage leather Coach population.",
        "photo 2: interior is fabric-lined and includes a zipper pocket, snap closures, and dark leather-like tabs; no Coach branding is visible.",
        "photo 1: the silhouette and braided construction do not correspond to a recognizable Coach leather or signature-canvas model.",
        "photo 2: no creed patch, serial\/style number, Coach wordmark, carriage emblem, or Coach hangtag is visible.",
        "photo 1: open crochet\/braided straw body - excluded material per triage, not glove-tanned leather",
        "photo 2: tan fabric lining with elastic slip and zip pocket, no leather creed patch visible",
        "photo 1-2: no COACH wordmark, no horse-and-carriage, no leather hangtag, no turnlock",
        "photo 2: magnetic snap closures and snap-tab straps, not solid brass turnlock\/dogleash construction"
    ],
    "missing_information": [
        "Clear exterior back, side, bottom, and all-corners photos.",
        "Close-up photos of any interior labels, fabric tags, or hardware markings.",
        "Full strap and handle attachment details.",
        "Seller-stated dimensions and material confirmation.",
        "photo 2: small white fabric tag illegible - need close-up to confirm maker\/material",
        "no maker label or creed-like patch shown"
    ],
    "authenticity_concerns": [],
    "possible_model_reasoning": [
        "photo 1: this appears to be a generic braided straw or raffia shoulder bag rather than a Coach model.",
        "photo 2: the fabric lining and straw construction are inconsistent with classic vintage Coach glove-tanned leather construction.",
        "Condition: Good; visible interior soiling and creasing (photo 2), with no clear structural damage visible. Bottom, corners, and complete handle attachments are not shown.",
        "straw crochet construction excludes classic Coach glove-tanned lines per section 1 and 3.1",
        "no creed, wordmark, hangtag, brass turnlock or catalog silhouette match observed in photo 1-2",
        "Condition: Good to Very Good for straw type; photo 1 shows intact crochet, photo 2 lining shows use\/soiling per seller text"
    ],
    "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 2: round snap closures and dark leather-like strap tabs with brass-tone circular fasteners; no Coach engraving is visible.",
        "leather_description": "photo 1: braided natural straw or raffia body with a dark braided handle; no leather body is visible.",
        "lining_description": "photo 2: tan fabric lining with a zippered interior pocket and visible cleaning marks or soiling.",
        "strap_construction": "photo 1: dark braided shoulder handle attached to the straw body; attachment details are partly obscured.",
        "stitching_description": "photo 2: visible machine stitching around the interior pocket and lining; braided outer construction is prominent."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0028,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bag is constructed from braided straw or raffia with a dark braided handle, a material not characteristic of the vintage leather Coach population.",
                    "photo 2: interior is fabric-lined and includes a zipper pocket, snap closures, and dark leather-like tabs; no Coach branding is visible.",
                    "photo 1: the silhouette and braided construction do not correspond to a recognizable Coach leather or signature-canvas model.",
                    "photo 2: no creed patch, serial\/style number, Coach wordmark, carriage emblem, or Coach hangtag is visible."
                ],
                "missing_information": [
                    "Clear exterior back, side, bottom, and all-corners photos.",
                    "Close-up photos of any interior labels, fabric tags, or hardware markings.",
                    "Full strap and handle attachment details.",
                    "Seller-stated dimensions and material confirmation."
                ],
                "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": "photo 2: round snap closures and dark leather-like strap tabs with brass-tone circular fasteners; no Coach engraving is visible.",
                    "leather_description": "photo 1: braided natural straw or raffia body with a dark braided handle; no leather body is visible.",
                    "lining_description": "photo 2: tan fabric lining with a zippered interior pocket and visible cleaning marks or soiling.",
                    "strap_construction": "photo 1: dark braided shoulder handle attached to the straw body; attachment details are partly obscured.",
                    "stitching_description": "photo 2: visible machine stitching around the interior pocket and lining; braided outer construction is prominent."
                },
                "possible_model_reasoning": [
                    "photo 1: this appears to be a generic braided straw or raffia shoulder bag rather than a Coach model.",
                    "photo 2: the fabric lining and straw construction are inconsistent with classic vintage Coach glove-tanned leather construction.",
                    "Condition: Good; visible interior soiling and creasing (photo 2), with no clear structural damage visible. Bottom, corners, and complete handle attachments are not shown."
                ],
                "confidence": 0.89,
                "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": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo 2: small white fabric tag illegible - need close-up to confirm maker\/material",
                    "no maker label or creed-like patch shown"
                ],
                "negative_evidence": [
                    "photo 1: open crochet\/braided straw body - excluded material per triage, not glove-tanned leather",
                    "photo 2: tan fabric lining with elastic slip and zip pocket, no leather creed patch visible",
                    "photo 1-2: no COACH wordmark, no horse-and-carriage, no leather hangtag, no turnlock",
                    "photo 2: magnetic snap closures and snap-tab straps, not solid brass turnlock\/dogleash construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone magnetic snaps on strap tabs and top edge in photo 2; no turnlock, no engraved branding visible",
                    "leather_description": "no glove-tanned leather body; natural braided straw\/crochet body in photo 1 with dark brown braided straps",
                    "lining_description": "photo 2: tan fabric lining with interior zip pocket and gathered slip pocket",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - crochet construction in photo 1; lining seams not clearly detailed in photo 2",
                    "strap_construction": "photo 1: dark brown braided shoulder straps; photo 2: straps attach via snap-tab to lining edge",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "straw crochet construction excludes classic Coach glove-tanned lines per section 1 and 3.1",
                    "no creed, wordmark, hangtag, brass turnlock or catalog silhouette match observed in photo 1-2",
                    "Condition: Good to Very Good for straw type; photo 1 shows intact crochet, photo 2 lining shows use\/soiling per seller text"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
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            "output_tokens": 769,
            "total_tokens": 16875,
            "estimated_cost_usd": 0.008288
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}