Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.865,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.92,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: The bag is made from glossy synthetic-looking material with an all-over polka-dot print, not vintage Coach glove-tanned leather.",
        "photo 1: The bright silver-tone rectangular turnlock is unlike the solid brass hardware typical of vintage Coach classics.",
        "photo 4: The closure and surrounding construction appear generic and lack a visible Coach wordmark, carriage, or hangtag.",
        "photo 5: The interior appears synthetic and unbranded, with no visible creed patch or Coach label.",
        "photo 3: The bag has bright plated-looking hardware and plastic-like construction, consistent with a modern generic jelly\/PVC bag.",
        "photo 1, photo 2, photo 4, photo 5: body and handles are translucent white jelly \/ plastic \/ PVC with black polka dots, not glove-tanned leather",
        "photo 1, photo 4: silver-tone Birkin-style touret \/ padlock closure and base feet, not vintage Coach solid brass turnlock geometry",
        "photo 5, photo 6: unlined plastic interior with no leather creed patch, no suede back, no fabric Coach label",
        "photo 1-6: no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 1, photo 2: handles still in plastic wrap, new mass-produced fast-fashion construction"
    ],
    "missing_information": [
        "photo 5-6: No clear close-up of any interior label, though none is apparent in the provided interior views.",
        "photo 1-6: No readable country-of-origin tag, serial\/style number, zipper-brand marking, or Coach identifier is shown.",
        "No Coach creed patch visible to inspect - interior shown with no leather creed (photo 5, photo 6)",
        "No brand stamps, fabric tags, or hardware engravings shown in close-up"
    ],
    "authenticity_concerns": [
        "photo 1: Glossy synthetic\/PVC-like material and printed polka-dot pattern are inconsistent with the leather construction of the vintage Coach population.",
        "photo 1 and photo 4: Bright silver-tone hardware and a generic rectangular turnlock are inconsistent with typical vintage Coach classic hardware.",
        "photo 5: No creed patch or other Coach identifier is visible; the bag appears to be a generic lookalike rather than a Coach product."
    ],
    "possible_model_reasoning": [
        "No Coach model fits: jelly PVC Birkin-style tote is not a catalog Coach silhouette, material, hardware, or construction",
        "Condition: appears New \/ unused with handles in plastic (photo 1, photo 2), but graded as generic new fast-fashion bag, not Coach condition tier"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": true,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "Bright silver-tone rectangular turnlock with additional silver-tone clasp hardware visible in photos 1, 4, and 5; no Coach engraving is visible.",
        "leather_description": "Glossy white synthetic\/plastic-like material with black polka-dot print; not leather, visible in photos 1-6.",
        "lining_description": "White synthetic-looking interior with matching polka-dot print visible in photos 5 and 6; no brand label visible.",
        "strap_construction": "Two padded white top handles, wrapped in protective plastic in several photos; no detachable shoulder strap is visible.",
        "stitching_description": "Visible white machine stitching appears generally even on the synthetic material, though close stress-point inspection is limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0007,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.93,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: The bag is made from glossy synthetic-looking material with an all-over polka-dot print, not vintage Coach glove-tanned leather.",
                    "photo 1: The bright silver-tone rectangular turnlock is unlike the solid brass hardware typical of vintage Coach classics.",
                    "photo 4: The closure and surrounding construction appear generic and lack a visible Coach wordmark, carriage, or hangtag.",
                    "photo 5: The interior appears synthetic and unbranded, with no visible creed patch or Coach label.",
                    "photo 3: The bag has bright plated-looking hardware and plastic-like construction, consistent with a modern generic jelly\/PVC bag."
                ],
                "missing_information": [
                    "photo 5-6: No clear close-up of any interior label, though none is apparent in the provided interior views.",
                    "photo 1-6: No readable country-of-origin tag, serial\/style number, zipper-brand marking, or Coach identifier is shown."
                ],
                "authenticity_concerns": [
                    "photo 1: Glossy synthetic\/PVC-like material and printed polka-dot pattern are inconsistent with the leather construction of the vintage Coach population.",
                    "photo 1 and photo 4: Bright silver-tone hardware and a generic rectangular turnlock are inconsistent with typical vintage Coach classic hardware.",
                    "photo 5: No creed patch or other Coach identifier is visible; the bag appears to be a generic lookalike rather than a Coach product."
                ],
                "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": true,
                    "hangtag_present": false,
                    "hardware_description": "Bright silver-tone rectangular turnlock with additional silver-tone clasp hardware visible in photos 1, 4, and 5; no Coach engraving is visible.",
                    "leather_description": "Glossy white synthetic\/plastic-like material with black polka-dot print; not leather, visible in photos 1-6.",
                    "lining_description": "White synthetic-looking interior with matching polka-dot print visible in photos 5 and 6; no brand label visible.",
                    "strap_construction": "Two padded white top handles, wrapped in protective plastic in several photos; no detachable shoulder strap is visible.",
                    "stitching_description": "Visible white machine stitching appears generally even on the synthetic material, though close stress-point inspection is limited."
                },
                "possible_model_reasoning": [],
                "confidence": 0.94,
                "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": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.8,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach creed patch visible to inspect - interior shown with no leather creed (photo 5, photo 6)",
                    "No brand stamps, fabric tags, or hardware engravings shown in close-up"
                ],
                "negative_evidence": [
                    "photo 1, photo 2, photo 4, photo 5: body and handles are translucent white jelly \/ plastic \/ PVC with black polka dots, not glove-tanned leather",
                    "photo 1, photo 4: silver-tone Birkin-style touret \/ padlock closure and base feet, not vintage Coach solid brass turnlock geometry",
                    "photo 5, photo 6: unlined plastic interior with no leather creed patch, no suede back, no fabric Coach label",
                    "photo 1-6: no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 1, photo 2: handles still in plastic wrap, new mass-produced fast-fashion construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone turn-post \/ Birkin-style closure, side straps with buckle detail, base feet; bright plated appearance, not solid vintage brass",
                    "leather_description": "no leather visible; translucent white jelly \/ PVC \/ plastic with black polka-dot print",
                    "lining_description": "unlined - interior is same jelly PVC as exterior (photo 5, photo 6), with white slip pocket",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "white \/ light contrast stitching around edges and handle anchors, visible in photo 3 and photo 4",
                    "strap_construction": "dual rolled top handles in white plastic, fixed handle anchors",
                    "turnlock_present": true
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: jelly PVC Birkin-style tote is not a catalog Coach silhouette, material, hardware, or construction",
                    "Condition: appears New \/ unused with handles in plastic (photo 1, photo 2), but graded as generic new fast-fashion bag, not Coach condition tier"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 27808,
            "output_tokens": 716,
            "total_tokens": 28524,
            "estimated_cost_usd": 0.012842
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 29013,
            "output_tokens": 1088,
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}