Vintage Coach Hunter

{
    "is_handbag_probability": 0.97,
    "coach_probability": 0.015,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.785,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.955,
    "recommended_max_bid": 9,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Bag is visibly constructed from upcycled blue denim jeans with a floral fabric bottom, unlike the glove-tanned leather or Coach signature-canvas construction expected of vintage Coach.",
        "photo 1: No Coach wordmark, horse-and-carriage, creed patch, or recognizable Coach hardware is visible.",
        "photo 2: Front uses jean pockets, belt loops, rivets, and a jeans button rather than a Coach turnlock or classic handbag closure.",
        "photo 3: Back is made from denim jeans pockets and seams; no Coach identifier is visible.",
        "photo 4: Interior appears to be gathered light cotton fabric, with no visible Coach label or creed patch.",
        "seller text: Seller identifies it as a handmade upcycled denim and cotton tote and lists the brand as No Brand, consistent with the photos.",
        "photo 1: bag body is blue denim jeans waistband with pockets, not glove-tanned leather",
        "photo 1, photo 3: lower body is red patterned cotton fabric, not Coach leather or signature canvas",
        "photo 4: cotton lining and crocheted top edge, not unlined suede or Coach lining",
        "photo 1-4: no creed patch, no COACH wordmark, no hangtag, no brass turnlock visible",
        "photo 1-3: jeans button and rivets only, no solid brass Coach hardware"
    ],
    "missing_information": [
        "photo 4: Interior is shown but no close-up of all interior seams or labels is provided; however, the visible construction already strongly indicates a handmade non-Coach tote.",
        "photo 1: Exact dimensions and strap length could be provided for generic resale valuation."
    ],
    "authenticity_concerns": [
        "The visible materials and handmade upcycled construction are inconsistent with a vintage Coach leather handbag.",
        "No Coach-made identifier is visible in any provided photo."
    ],
    "possible_model_reasoning": [
        "No Coach identifiers visible in any photo; materials are denim and cotton, excluded by Coach identification procedure which requires leather or signature canvas",
        "Silhouette is handmade upcycled jeans tote ~14in wide x ~12in tall per tape in photo 1-2, matching seller description of handmade upcycled tote, not any catalog Coach style",
        "Condition: Good; good used condition per seller, fabric shows wear but intact (photo 1-3)"
    ],
    "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: Jeans-style metal button, rivets, and pocket hardware are visible; no Coach-marked or vintage Coach turnlock hardware is visible.",
        "leather_description": "photo 1-4: no leather visible; upcycled denim and patterned cotton fabric",
        "lining_description": "photo 4: Light-colored gathered cotton or fabric lining is visible.",
        "strap_construction": "photos 1-3: Multiple narrow fabric straps appear to be made from reused textile material and are attached at the upper edge; no leather Coach strap is visible.",
        "stitching_description": "photos 1-3: Visible denim garment seams, pocket stitching, and decorative light-colored edging are consistent with handmade upcycled construction."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0027,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.01,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.92,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Bag is visibly constructed from upcycled blue denim jeans with a floral fabric bottom, unlike the glove-tanned leather or Coach signature-canvas construction expected of vintage Coach.",
                    "photo 1: No Coach wordmark, horse-and-carriage, creed patch, or recognizable Coach hardware is visible.",
                    "photo 2: Front uses jean pockets, belt loops, rivets, and a jeans button rather than a Coach turnlock or classic handbag closure.",
                    "photo 3: Back is made from denim jeans pockets and seams; no Coach identifier is visible.",
                    "photo 4: Interior appears to be gathered light cotton fabric, with no visible Coach label or creed patch.",
                    "seller text: Seller identifies it as a handmade upcycled denim and cotton tote and lists the brand as No Brand, consistent with the photos."
                ],
                "missing_information": [
                    "photo 4: Interior is shown but no close-up of all interior seams or labels is provided; however, the visible construction already strongly indicates a handmade non-Coach tote.",
                    "photo 1: Exact dimensions and strap length could be provided for generic resale valuation."
                ],
                "authenticity_concerns": [
                    "The visible materials and handmade upcycled construction are inconsistent with a vintage Coach leather handbag.",
                    "No Coach-made identifier is visible in any provided photo."
                ],
                "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: Jeans-style metal button, rivets, and pocket hardware are visible; no Coach-marked or vintage Coach turnlock hardware is visible.",
                    "leather_description": "not_visible",
                    "lining_description": "photo 4: Light-colored gathered cotton or fabric lining is visible.",
                    "strap_construction": "photos 1-3: Multiple narrow fabric straps appear to be made from reused textile material and are attached at the upper edge; no leather Coach strap is visible.",
                    "stitching_description": "photos 1-3: Visible denim garment seams, pocket stitching, and decorative light-colored edging are consistent with handmade upcycled construction."
                },
                "possible_model_reasoning": [],
                "confidence": 0.96,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.95,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.95,
                "missing_information": [],
                "negative_evidence": [
                    "photo 1: bag body is blue denim jeans waistband with pockets, not glove-tanned leather",
                    "photo 1, photo 3: lower body is red patterned cotton fabric, not Coach leather or signature canvas",
                    "photo 4: cotton lining and crocheted top edge, not unlined suede or Coach lining",
                    "photo 1-4: no creed patch, no COACH wordmark, no hangtag, no brass turnlock visible",
                    "photo 1-3: jeans button and rivets only, no solid brass Coach hardware"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 1-3: denim jeans button and pocket rivets only; no brass turnlock, buckles, or dogleash clips",
                    "leather_description": "photo 1-4: no leather visible; upcycled denim and patterned cotton fabric",
                    "lining_description": "photo 4: light-colored thin cotton lining, wrinkled handmade finish",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1-4: casual handmade stitching with crocheted trim at top edge; not tight even Coach stitching",
                    "strap_construction": "photo 1-4: two thin light fabric straps, sewn on; not leather buckle-adjustable or dogleash straps",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifiers visible in any photo; materials are denim and cotton, excluded by Coach identification procedure which requires leather or signature canvas",
                    "Silhouette is handmade upcycled jeans tote ~14in wide x ~12in tall per tape in photo 1-2, matching seller description of handmade upcycled tote, not any catalog Coach style",
                    "Condition: Good; good used condition per seller, fabric shows wear but intact (photo 1-3)"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
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            "estimated_cost_usd": 0.008434
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}