Vintage Coach Hunter

{
    "is_handbag_probability": 0.64,
    "coach_probability": 0.01,
    "vintage_probability": 0.01,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.81,
    "seller_misidentification_probability": 0.015,
    "confidence": 0.955,
    "recommended_max_bid": 5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 17.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Listing shows small sling bags made from bright synthetic-looking fabric with matching webbing straps, not vintage glove-tanned leather.",
        "photo 1: Decorative personalization names and candy-color variants are inconsistent with vintage Coach construction.",
        "photo 2: Visible body appears textile\/nylon-like with gathered front pocket, cord loop, and plastic-looking round closure.",
        "photo 3: Bag has a casual webbing strap and lightweight zippered construction rather than Coach's typical leather strap and solid brass hardware.",
        "photo 4: Multiple identical brightly colored bags are presented as a modern personalized product assortment.",
        "photo 5: No Coach wordmark, horse-and-carriage, creed patch, leather hangtag, or serial\/style identifier is visible.",
        "photo 6: Modern textile sling-bag construction and personalized script are visible; no Coach identifiers are present.",
        "photo 1: five pastel mini sling bags in pink\/purple\/green\/yellow\/blue with custom embroidered names, modern kids fast-fashion silhouette never made by Coach",
        "photo 2: smooth synthetic nylon fabric with wide woven webbing strap, not glove-tanned leather",
        "photo 2-6: no brass turnlock, no leather hangtag, no COACH wordmark or horse-and-carriage visible",
        "photo 3: zip-top sling with elastic ruched front pocket and plastic cord toggle, modern construction"
    ],
    "missing_information": [
        "photo 1-6: No interior view, creed area, fabric\/care tag, zipper-pull close-up, or bottom\/side construction close-up is provided.",
        "photo 1-6: Material composition and dimensions are not stated in the listing text.",
        "photo 1-6: no interior, creed patch, or hardware close-up shown, but construction already excludes vintage Coach"
    ],
    "authenticity_concerns": [
        "photo 1-6: The synthetic\/textile construction, webbing strap, gathered pocket, and lightweight-looking hardware are inconsistent with vintage Coach leather handbags.",
        "photo 1-6: This appears to be a modern generic personalized children's sling bag, not a Coach lookalike requiring authentication."
    ],
    "possible_model_reasoning": [
        "photo 1-6: No Coach model is plausible; the silhouette is a modern mini sling\/backpack with a rounded zippered compartment, gathered front pocket, cord loop, and personalized script.",
        "photo 1-6: Condition appears New\/unused in promotional photos, but seller photos are staged and do not establish actual received condition.",
        "Condition: New; appears to be new mass-produced custom-name product photos, not secondhand vintage",
        "No Coach identifiers visible in any photo and silhouette, nylon material, webbing strap and plastic toggles are inconsistent with any vintage Coach era",
        "Not a Coach model; modern kids mini sling backpack sold as Unbranded in 5 colors"
    ],
    "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: Small round colored front closure with a cord loop; zipper hardware and strap attachment appear lightweight. No Coach-marked hardware is visible.",
        "leather_description": "photo 1-6: Appears to be smooth synthetic or textile material in pastel colors; genuine leather is not visible.",
        "lining_description": "not_visible",
        "strap_construction": "photo 2: Long matching flat webbing strap attached at the side for crossbody\/sling wear.",
        "stitching_description": "photo 2: Visible machine stitching around the zipper and pocket appears regular; detailed stress-point stitching is not shown."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0183,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.01,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.92,
                "seller_misidentification_probability": 0.01,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Listing shows small sling bags made from bright synthetic-looking fabric with matching webbing straps, not vintage glove-tanned leather.",
                    "photo 1: Decorative personalization names and candy-color variants are inconsistent with vintage Coach construction.",
                    "photo 2: Visible body appears textile\/nylon-like with gathered front pocket, cord loop, and plastic-looking round closure.",
                    "photo 3: Bag has a casual webbing strap and lightweight zippered construction rather than Coach's typical leather strap and solid brass hardware.",
                    "photo 4: Multiple identical brightly colored bags are presented as a modern personalized product assortment.",
                    "photo 5: No Coach wordmark, horse-and-carriage, creed patch, leather hangtag, or serial\/style identifier is visible.",
                    "photo 6: Modern textile sling-bag construction and personalized script are visible; no Coach identifiers are present."
                ],
                "missing_information": [
                    "photo 1-6: No interior view, creed area, fabric\/care tag, zipper-pull close-up, or bottom\/side construction close-up is provided.",
                    "photo 1-6: Material composition and dimensions are not stated in the listing text."
                ],
                "authenticity_concerns": [
                    "photo 1-6: The synthetic\/textile construction, webbing strap, gathered pocket, and lightweight-looking hardware are inconsistent with vintage Coach leather handbags.",
                    "photo 1-6: This appears to be a modern generic personalized children's sling bag, not a Coach lookalike requiring authentication."
                ],
                "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: Small round colored front closure with a cord loop; zipper hardware and strap attachment appear lightweight. No Coach-marked hardware is visible.",
                    "leather_description": "photo 1-6: Appears to be smooth synthetic or textile material in pastel colors; genuine leather is not visible.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 2: Long matching flat webbing strap attached at the side for crossbody\/sling wear.",
                    "stitching_description": "photo 2: Visible machine stitching around the zipper and pocket appears regular; detailed stress-point stitching is not shown."
                },
                "possible_model_reasoning": [
                    "photo 1-6: No Coach model is plausible; the silhouette is a modern mini sling\/backpack with a rounded zippered compartment, gathered front pocket, cord loop, and personalized script.",
                    "photo 1-6: Condition appears New\/unused in promotional photos, but seller photos are staged and do not establish actual received condition."
                ],
                "confidence": 0.96,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 20
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.01,
                "confidence": 0.95,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.3,
                "missing_information": [
                    "photo 1-6: no interior, creed patch, or hardware close-up shown, but construction already excludes vintage Coach"
                ],
                "negative_evidence": [
                    "photo 1: five pastel mini sling bags in pink\/purple\/green\/yellow\/blue with custom embroidered names, modern kids fast-fashion silhouette never made by Coach",
                    "photo 2: smooth synthetic nylon fabric with wide woven webbing strap, not glove-tanned leather",
                    "photo 2-6: no brass turnlock, no leather hangtag, no COACH wordmark or horse-and-carriage visible",
                    "photo 3: zip-top sling with elastic ruched front pocket and plastic cord toggle, modern construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 2: small silver-tone zipper pull; plastic toggle on front pocket; no solid brass hardware visible",
                    "leather_description": "photo 1-6: smooth synthetic nylon-type fabric in candy pastel colors, not leather",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 2: straight machine stitching on synthetic fabric, detail not legible",
                    "strap_construction": "photo 2-3: wide woven fabric crossbody sling strap, single fixed shoulder loop",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Condition: New; appears to be new mass-produced custom-name product photos, not secondhand vintage",
                    "No Coach identifiers visible in any photo and silhouette, nylon material, webbing strap and plastic toggles are inconsistent with any vintage Coach era",
                    "Not a Coach model; modern kids mini sling backpack sold as Unbranded in 5 colors"
                ],
                "possible_models": [],
                "recommended_max_bid": 5,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.01
            }
        }
    ],
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            "model_name": "meta:muse-spark-1.3-contributor",
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}