Vintage Coach Hunter

{
    "is_handbag_probability": 0.94,
    "coach_probability": 0.015,
    "vintage_probability": 0.115,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.695,
    "seller_misidentification_probability": 0.065,
    "confidence": 0.87,
    "recommended_max_bid": 8,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a wearable textile shoulder\/backpack-style handbag with a shaped body and long straps",
        "photo 1: decorative woven tapestry fabric is visible across the body and straps"
    ],
    "negative_evidence": [
        "photo 1: bag is made from ornate woven tapestry\/fiber fabric rather than Coach's typical glove-tanned leather or recognizable Coach signature canvas",
        "photo 1: no visible COACH wordmark, horse-and-carriage, creed patch, or leather hangtag",
        "photo 1: no Coach-style turnlock or other recognizable Coach hardware is visible",
        "photo 2: simple textile strap and body construction do not match the catalogued vintage Coach leather silhouettes",
        "photo 3: the visible back and base show generic textile construction without a Coach identifier",
        "listing title: seller describes it as tapestry, handmade, and unbranded, which is consistent with a generic artisan textile bag rather than a misidentified leather Coach classic",
        "photo 1-6: body is blue tapestry woven fabric with paisley\/floral pattern, not glove-tanned leather",
        "photo 1-6: no solid brass hardware, no turnlock, no dogleash clips, no hangtag, no COACH wordmark visible",
        "photo 2-3: wide integrated fabric sling strap with exposed black zipper along strap, construction never used by Coach",
        "photo 1-6: sling\/backpack silhouette with exterior flap pocket does not match any vintage Coach catalog style"
    ],
    "missing_information": [
        "photo 1-7: interior is not shown; request a fully opened interior, lining, pockets, and any sewn-in labels",
        "photo 1-7: no close-up of the closure, zipper pulls, or strap attachment hardware",
        "photo 1-7: bottom, seams, and interior construction are not shown closely enough to assess maker labels or construction details",
        "seller-stated dimensions, material composition, and approximate age are not provided",
        "interior views not shown, but not needed for Coach exclusion",
        "no creed patch visible in any photo",
        "no hardware close-up, but no brass Coach hardware visible"
    ],
    "authenticity_concerns": [
        "photo 1-7: no Coach identifiers are visible, and the textile construction is inconsistent with the usual vintage Coach leather handbag population",
        "photo 1-7: the decorative tapestry pattern is not Coach Signature C canvas and provides no brand evidence"
    ],
    "possible_model_reasoning": [
        "photo 1-7: silhouette is a generic textile shoulder backpack or sling bag, not a close match for the listed vintage Coach leather models",
        "photo 1-7: no serial, creed, country line, or Coach branding is visible, so no Coach model or era can be assigned",
        "photo 1-7: Condition appears Very Good from the exterior views, with no obvious major tears or holes visible; interior condition, odor, and hidden seam wear are unknown",
        "No Coach model fits: fabric tapestry sling, no leather, no brass, no creed, no turnlock, non-Coach construction",
        "Condition: appears clean and intact in photos 1-6, but condition grade not relevant to Coach value"
    ],
    "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 1-7: black cord-like edging\/strap elements and limited dark hardware are visible; no recognizable Coach hardware or turnlock is visible",
        "leather_description": "photo 1-7: no leather body or leather trim is visibly present; body and straps appear woven textile\/tapestry",
        "lining_description": "not_visible",
        "strap_construction": "photo 1-7: broad matching woven textile straps, apparently configured for shoulder\/back wear; attachment and adjustment details are only partly visible",
        "stitching_description": "photo 1-7: textile seams and woven edges are visible, but close-up stitch quality and internal seam finishing are not assessable"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0025,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.93,
                "coach_probability": 0.02,
                "vintage_probability": 0.18,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.79,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a wearable textile shoulder\/backpack-style handbag with a shaped body and long straps",
                    "photo 1: decorative woven tapestry fabric is visible across the body and straps"
                ],
                "negative_evidence": [
                    "photo 1: bag is made from ornate woven tapestry\/fiber fabric rather than Coach's typical glove-tanned leather or recognizable Coach signature canvas",
                    "photo 1: no visible COACH wordmark, horse-and-carriage, creed patch, or leather hangtag",
                    "photo 1: no Coach-style turnlock or other recognizable Coach hardware is visible",
                    "photo 2: simple textile strap and body construction do not match the catalogued vintage Coach leather silhouettes",
                    "photo 3: the visible back and base show generic textile construction without a Coach identifier",
                    "listing title: seller describes it as tapestry, handmade, and unbranded, which is consistent with a generic artisan textile bag rather than a misidentified leather Coach classic"
                ],
                "missing_information": [
                    "photo 1-7: interior is not shown; request a fully opened interior, lining, pockets, and any sewn-in labels",
                    "photo 1-7: no close-up of the closure, zipper pulls, or strap attachment hardware",
                    "photo 1-7: bottom, seams, and interior construction are not shown closely enough to assess maker labels or construction details",
                    "seller-stated dimensions, material composition, and approximate age are not provided"
                ],
                "authenticity_concerns": [
                    "photo 1-7: no Coach identifiers are visible, and the textile construction is inconsistent with the usual vintage Coach leather handbag population",
                    "photo 1-7: the decorative tapestry pattern is not Coach Signature C canvas and provides no brand evidence"
                ],
                "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 1-7: black cord-like edging\/strap elements and limited dark hardware are visible; no recognizable Coach hardware or turnlock is visible",
                    "leather_description": "photo 1-7: no leather body or leather trim is visibly present; body and straps appear woven textile\/tapestry",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1-7: broad matching woven textile straps, apparently configured for shoulder\/back wear; attachment and adjustment details are only partly visible",
                    "stitching_description": "photo 1-7: textile seams and woven edges are visible, but close-up stitch quality and internal seam finishing are not assessable"
                },
                "possible_model_reasoning": [
                    "photo 1-7: silhouette is a generic textile shoulder backpack or sling bag, not a close match for the listed vintage Coach leather models",
                    "photo 1-7: no serial, creed, country line, or Coach branding is visible, so no Coach model or era can be assigned",
                    "photo 1-7: Condition appears Very Good from the exterior views, with no obvious major tears or holes visible; interior condition, odor, and hidden seam wear are unknown"
                ],
                "confidence": 0.84,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.01,
                "coach_probability": 0.01,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "interior views not shown, but not needed for Coach exclusion",
                    "no creed patch visible in any photo",
                    "no hardware close-up, but no brass Coach hardware visible"
                ],
                "negative_evidence": [
                    "photo 1-6: body is blue tapestry woven fabric with paisley\/floral pattern, not glove-tanned leather",
                    "photo 1-6: no solid brass hardware, no turnlock, no dogleash clips, no hangtag, no COACH wordmark visible",
                    "photo 2-3: wide integrated fabric sling strap with exposed black zipper along strap, construction never used by Coach",
                    "photo 1-6: sling\/backpack silhouette with exterior flap pocket does not match any vintage Coach catalog style"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "only small black zipper and zipper pull visible on strap in photo 2-3; no brass turnlock, buckles, D-rings or rivets visible",
                    "leather_description": "no leather visible; turquoise tapestry chenille-type woven fabric with red\/gold paisley floral pattern",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible; fabric seams only, no leather stitching to assess",
                    "strap_construction": "photo 2-3: wide integrated tapestry sling strap continuous with bag body, zippered edge",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: fabric tapestry sling, no leather, no brass, no creed, no turnlock, non-Coach construction",
                    "Condition: appears clean and intact in photos 1-6, but condition grade not relevant to Coach value"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.01,
                "vintage_probability": 0.05
            }
        }
    ],
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