Vintage Coach Hunter

{
    "is_handbag_probability": 0.78,
    "coach_probability": 0.015,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.715,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.88,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 17.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Bag appears constructed from synthetic woven nylon\/polyester fabric rather than Coach glove-tanned leather or recognizable Coach signature canvas.",
        "photo 1: Interior shows plain synthetic fabric lining with multiple stitched organizer slots and a dark plastic\/metal zipper.",
        "photo 2: Adjustable webbing strap and generic dark hardware are visible; no Coach-specific leather trim, creed, wordmark, or horse-and-carriage is shown.",
        "photo 3: Generic woven synthetic exterior and zipper construction are inconsistent with classic vintage Coach handbag construction.",
        "photo 4: Bright orange synthetic lining and generic zipper opening are visible; no brand identifier is present.",
        "photo 1: black woven nylon tactical sling with MOLLE laser-cut panel, not glove-tanned leather",
        "photo 1: cord zip pulls with rubber tabs and black metal snap hardware, not solid brass turnlock",
        "photo 2: mesh padded back panel and wide webbing strap with black plastic side-release buckle, never used on vintage Coach",
        "photo 3: orange synthetic lining and nylon zip tape, not unlined suede or Coach fabric lining",
        "No creed patch, COACH wordmark, horse-and-carriage, hangtag, or brass hardware visible in any photo"
    ],
    "missing_information": [
        "photo 1-4: Full exterior front, back, sides, bottom, and strap-end views are not provided.",
        "photo 1-4: No close-up of any interior label, sewn-in brand tag, creed patch, or style tag.",
        "photo 1-4: Hardware stamp and zipper-pull details are not shown clearly.",
        "photo 1-4: Seller-stated dimensions, material, and country of manufacture are unavailable.",
        "No full front\/back\/side\/bottom views of entire bag to confirm form and scale",
        "No brand label, creed, or wordmark shown - interior main compartment tags not shown",
        "No dimensions stated"
    ],
    "authenticity_concerns": [
        "photo 1-4: Synthetic nylon\/polyester construction and generic sling-bag design provide no visible evidence of Coach manufacture.",
        "photo 1-4: No Coach identifier is visible; this is more consistent with an ordinary modern unbranded sling bag than a misidentified vintage Coach bag."
    ],
    "possible_model_reasoning": [
        "photo 1-4: The compact zippered sling silhouette is not a recognizable vintage Coach catalog model and lacks the leather, brass hardware, and identifiers expected for classic Coach.",
        "photo 1-4: The synthetic construction suggests a modern unbranded utility sling bag; estimated resale value is based on a generic secondhand textile bag.",
        "photo 1-4: Condition cannot be fully graded because the complete exterior and bottom are not shown; visible interior and hardware appear intact, approximately Good to Very Good.",
        "Nylon tactical sling construction with plastic hardware and synthetic lining is outside all Coach leather and canvas lines; no model match possible",
        "Condition: appears used but functional; full condition grade capped by missing overall views"
    ],
    "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 1-4: Dark generic zipper hardware, snap\/button-like strap hardware, and adjustable woven webbing are visible; no Coach engraving is readable.",
        "leather_description": "photo 1-4: No leather is visible; the bag appears to use woven synthetic textile.",
        "lining_description": "photo 1 and photo 4: Synthetic textile lining is visible, including bright orange lining in photo 4 and dark organizer fabric in photo 1.",
        "strap_construction": "photo 2-3: Adjustable woven webbing shoulder strap with sewn textile attachment and generic dark hardware.",
        "stitching_description": "photo 1-4: Visible machine stitching appears regular on synthetic textile components; no distinctive Coach construction can be established."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0054,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.96,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Bag appears constructed from synthetic woven nylon\/polyester fabric rather than Coach glove-tanned leather or recognizable Coach signature canvas.",
                    "photo 1: Interior shows plain synthetic fabric lining with multiple stitched organizer slots and a dark plastic\/metal zipper.",
                    "photo 2: Adjustable webbing strap and generic dark hardware are visible; no Coach-specific leather trim, creed, wordmark, or horse-and-carriage is shown.",
                    "photo 3: Generic woven synthetic exterior and zipper construction are inconsistent with classic vintage Coach handbag construction.",
                    "photo 4: Bright orange synthetic lining and generic zipper opening are visible; no brand identifier is present."
                ],
                "missing_information": [
                    "photo 1-4: Full exterior front, back, sides, bottom, and strap-end views are not provided.",
                    "photo 1-4: No close-up of any interior label, sewn-in brand tag, creed patch, or style tag.",
                    "photo 1-4: Hardware stamp and zipper-pull details are not shown clearly.",
                    "photo 1-4: Seller-stated dimensions, material, and country of manufacture are unavailable."
                ],
                "authenticity_concerns": [
                    "photo 1-4: Synthetic nylon\/polyester construction and generic sling-bag design provide no visible evidence of Coach manufacture.",
                    "photo 1-4: No Coach identifier is visible; this is more consistent with an ordinary modern unbranded sling bag than a misidentified vintage Coach bag."
                ],
                "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 1-4: Dark generic zipper hardware, snap\/button-like strap hardware, and adjustable woven webbing are visible; no Coach engraving is readable.",
                    "leather_description": "photo 1-4: No leather is visible; the bag appears to use woven synthetic textile.",
                    "lining_description": "photo 1 and photo 4: Synthetic textile lining is visible, including bright orange lining in photo 4 and dark organizer fabric in photo 1.",
                    "strap_construction": "photo 2-3: Adjustable woven webbing shoulder strap with sewn textile attachment and generic dark hardware.",
                    "stitching_description": "photo 1-4: Visible machine stitching appears regular on synthetic textile components; no distinctive Coach construction can be established."
                },
                "possible_model_reasoning": [
                    "photo 1-4: The compact zippered sling silhouette is not a recognizable vintage Coach catalog model and lacks the leather, brass hardware, and identifiers expected for classic Coach.",
                    "photo 1-4: The synthetic construction suggests a modern unbranded utility sling bag; estimated resale value is based on a generic secondhand textile bag.",
                    "photo 1-4: Condition cannot be fully graded because the complete exterior and bottom are not shown; visible interior and hardware appear intact, approximately Good to Very Good."
                ],
                "confidence": 0.86,
                "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": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.6,
                "missing_information": [
                    "No full front\/back\/side\/bottom views of entire bag to confirm form and scale",
                    "No brand label, creed, or wordmark shown - interior main compartment tags not shown",
                    "No dimensions stated"
                ],
                "negative_evidence": [
                    "photo 1: black woven nylon tactical sling with MOLLE laser-cut panel, not glove-tanned leather",
                    "photo 1: cord zip pulls with rubber tabs and black metal snap hardware, not solid brass turnlock",
                    "photo 2: mesh padded back panel and wide webbing strap with black plastic side-release buckle, never used on vintage Coach",
                    "photo 3: orange synthetic lining and nylon zip tape, not unlined suede or Coach fabric lining",
                    "No creed patch, COACH wordmark, horse-and-carriage, hangtag, or brass hardware visible in any photo"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "black-tone metal snap and key clip, black plastic side-release buckle, cord pulls with rubber tips; no brass, no turnlock",
                    "leather_description": "no leather visible; black woven nylon \/ synthetic tactical fabric",
                    "lining_description": "orange synthetic fabric lining visible in photo 3",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching on nylon webbing and MOLLE panel; no leather stitching to assess",
                    "strap_construction": "wide grey-black nylon webbing sling strap with plastic buckle adjustment",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Nylon tactical sling construction with plastic hardware and synthetic lining is outside all Coach leather and canvas lines; no model match possible",
                    "Condition: appears used but functional; full condition grade capped by missing overall views"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.01
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 24085,
            "output_tokens": 742,
            "total_tokens": 24827,
            "estimated_cost_usd": 0.011415
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 25461,
            "output_tokens": 792,
            "total_tokens": 26253,
            "estimated_cost_usd": 0.005726
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}