Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.665,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.87,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 20,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a small crossbody handbag with multiple zip compartments and an adjustable strap."
    ],
    "negative_evidence": [
        "photo 1: Body appears to be quilted nylon or synthetic textile rather than vintage glove-tanned leather.",
        "photo 1: Oval exterior badge appears to carry a non-Coach brand mark; no COACH wordmark or horse-and-carriage is visible.",
        "photo 1: The bag has lightweight-looking gold-tone plated hardware and modern nylon zipper construction, unlike classic vintage Coach construction.",
        "photo 1: No visible Coach creed patch, serial\/style number, or leather Coach hangtag.",
        "photo 1: woven nylon\/fabric body, not glove-tanned cowhide leather",
        "photo 1: oval front brand plaque with non-Coach name, not COACH wordmark or horse-and-carriage",
        "photo 1: thin gold-tone plated zipper hardware, not vintage solid brass",
        "photo 1: quilted synthetic multi-zip crossbody construction with fabric strap, no turnlock, no leather hangtag, no creed patch visible",
        "photo 1: lightweight modern fast-fashion silhouette with no catalog Coach match"
    ],
    "missing_information": [
        "Interior and back views to check for any brand label or creed.",
        "Close-up of the oval exterior badge and zipper pulls for exact brand identification.",
        "Bottom, strap attachments, and hardware close-ups.",
        "photo 1 only front view; no interior, back, bottom, or close-up views to verify materials, but no Coach identifiers expected",
        "interior lining and any interior labels\/tags not shown",
        "hardware engravings and zipper brand stamps not shown"
    ],
    "authenticity_concerns": [
        "photo 1: The synthetic\/nylon construction, non-Coach-looking oval badge, and modern multi-zip silhouette are inconsistent with a vintage Coach leather handbag.",
        "photo 1: This appears to be a generic or other-brand bag rather than a Coach replica with visible Coach identifiers."
    ],
    "possible_model_reasoning": [
        "photo 1: The compact rectangular multi-zip crossbody form does not closely match the catalogued vintage Coach leather models.",
        "photo 1: Synthetic quilted construction and the apparent non-Coach oval badge support a modern non-Coach classification.",
        "Condition cannot be reliably graded from the single studio-style image; visible exterior appears clean, but interior, bottom, strap wear, odor, and function are unknown.",
        "Not a Coach silhouette: modern lightweight nylon multi-zip crossbody has no match in vintage glove-tanned catalog or modern leather lines",
        "Materials rule out vintage Coach: nylon textile plus plated hardware per Step 1 triage implies coach_probability <=0.05",
        "Visible oval logo plaque is non-Coach branding, confirming other maker",
        "Condition: appears new-like in single front view, but single photo caps grading; generic nylon bag value only"
    ],
    "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 zipper pulls, rings, and strap clips are visible; no Coach engraving is legible.",
        "leather_description": "photo 1: Quilted black nylon or synthetic textile body; leather is not visible.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Thin adjustable-looking black textile shoulder strap attached with gold-tone clips and rings.",
        "stitching_description": "photo 1: Regular machine stitching and decorative vertical\/zigzag quilting are visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0019,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a small crossbody handbag with multiple zip compartments and an adjustable strap."
                ],
                "negative_evidence": [
                    "photo 1: Body appears to be quilted nylon or synthetic textile rather than vintage glove-tanned leather.",
                    "photo 1: Oval exterior badge appears to carry a non-Coach brand mark; no COACH wordmark or horse-and-carriage is visible.",
                    "photo 1: The bag has lightweight-looking gold-tone plated hardware and modern nylon zipper construction, unlike classic vintage Coach construction.",
                    "photo 1: No visible Coach creed patch, serial\/style number, or leather Coach hangtag."
                ],
                "missing_information": [
                    "Interior and back views to check for any brand label or creed.",
                    "Close-up of the oval exterior badge and zipper pulls for exact brand identification.",
                    "Bottom, strap attachments, and hardware close-ups."
                ],
                "authenticity_concerns": [
                    "photo 1: The synthetic\/nylon construction, non-Coach-looking oval badge, and modern multi-zip silhouette are inconsistent with a vintage Coach leather handbag.",
                    "photo 1: This appears to be a generic or other-brand bag rather than a Coach replica with visible Coach identifiers."
                ],
                "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 zipper pulls, rings, and strap clips are visible; no Coach engraving is legible.",
                    "leather_description": "photo 1: Quilted black nylon or synthetic textile body; leather is not visible.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Thin adjustable-looking black textile shoulder strap attached with gold-tone clips and rings.",
                    "stitching_description": "photo 1: Regular machine stitching and decorative vertical\/zigzag quilting are visible."
                },
                "possible_model_reasoning": [
                    "photo 1: The compact rectangular multi-zip crossbody form does not closely match the catalogued vintage Coach leather models.",
                    "photo 1: Synthetic quilted construction and the apparent non-Coach oval badge support a modern non-Coach classification.",
                    "Condition cannot be reliably graded from the single studio-style image; visible exterior appears clean, but interior, bottom, strap wear, odor, and function are unknown."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 8,
                "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": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo 1 only front view; no interior, back, bottom, or close-up views to verify materials, but no Coach identifiers expected",
                    "interior lining and any interior labels\/tags not shown",
                    "hardware engravings and zipper brand stamps not shown"
                ],
                "negative_evidence": [
                    "photo 1: woven nylon\/fabric body, not glove-tanned cowhide leather",
                    "photo 1: oval front brand plaque with non-Coach name, not COACH wordmark or horse-and-carriage",
                    "photo 1: thin gold-tone plated zipper hardware, not vintage solid brass",
                    "photo 1: quilted synthetic multi-zip crossbody construction with fabric strap, no turnlock, no leather hangtag, no creed patch visible",
                    "photo 1: lightweight modern fast-fashion silhouette with no catalog Coach match"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone plated zipper pulls and strap clips visible in photo 1; lightweight, not solid vintage brass",
                    "leather_description": "no leather visible; appears to be black woven nylon\/oxford textile with quilted chevron stitching",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "quilted chevron\/vertical stitching on front pocket in photo 1; matching thread",
                    "strap_construction": "thin black fabric adjustable crossbody strap with metal slider in photo 1",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Not a Coach silhouette: modern lightweight nylon multi-zip crossbody has no match in vintage glove-tanned catalog or modern leather lines",
                    "Materials rule out vintage Coach: nylon textile plus plated hardware per Step 1 triage implies coach_probability <=0.05",
                    "Visible oval logo plaque is non-Coach branding, confirming other maker",
                    "Condition: appears new-like in single front view, but single photo caps grading; generic nylon bag value only"
                ],
                "possible_models": [],
                "recommended_max_bid": 5,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
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            "estimated_cost_usd": 0.008018
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        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}