Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.02,
    "vintage_probability": 0.175,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.745,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.875,
    "recommended_max_bid": 8,
    "estimated_resale_low": 6.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1-5: is a handbag with shoulder\/crossbody strap and pockets"
    ],
    "negative_evidence": [
        "photo 1: Bag is made from patterned woven tapestry fabric rather than Coach's characteristic leather, coated canvas, or signature C canvas.",
        "photo 3: Long wooden structural rods and fabric-covered strap construction are not characteristic of the listed vintage Coach models.",
        "photo 5: Purple synthetic-looking fabric lining, hook-and-loop exterior closure, and purple-toned clip hardware are inconsistent with a classic vintage Coach handbag.",
        "photos 1-5: No visible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or Coach hangtag.",
        "photo 1-4: all-over floral tapestry fabric body, not glove-tanned leather or Coach signature canvas",
        "photo 1-3: strap feeds through long wooden dowels, not a Coach strap attachment",
        "photo 5: purple synthetic lining with slip pockets, not unlined suede or Coach lining",
        "photo 5: purple plastic lobster keychain, not solid brass hardware",
        "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag, no turnlock visible"
    ],
    "missing_information": [
        "photo 1-5: No close-up of any maker label or sewn-in brand tag is provided.",
        "photo 1-5: Seller-stated vintage date and materials are not independently verifiable from the photos.",
        "photo 5: Interior seams and lining are visible, but no label area or hidden pocket tag is shown.",
        "No creed patch or brand label shown in any photo",
        "No maker mark, fabric tag, or hardware stamp visible",
        "No close-up of seams or exterior pocket closure"
    ],
    "authenticity_concerns": [
        "photos 1-5: The construction and materials strongly indicate a non-Coach textile or handmade bag; there is no Coach identifier to support attribution.",
        "photo 1-5: tapestry fabric body with wooden dowel frame incompatible with any Coach glove-tanned or canvas line",
        "photo 5: plastic keychain hardware and synthetic lining inconsistent with Coach materials"
    ],
    "possible_model_reasoning": [
        "photos 1-5: No Coach model is a reasonable match because the bag lacks Coach identifiers and uses an unusual tapestry-and-wood construction outside the cataloged Coach silhouettes.",
        "Condition: approximately Very Good based on the visible intact exterior, lining, straps, and hardware; bottom corners, odor, and hidden wear are not fully assessable.",
        "No Coach silhouette, closure, leather, lining, or hardware match; wooden-dowel tapestry construction is handmade\/craft, not in Coach catalog",
        "Serial decode: none - no number visible",
        "Era reasoning: tapestry craft bag with synthetic lining and plastic hardware suggests late 20th century to modern handmade, non-Coach",
        "Condition: Very Good to Excellent as shown; fabric appears clean, no visible wear (photo 1-4), interior clean (photo 5), but bottom corners and full strap wear not fully assessed"
    ],
    "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": "photos 2-5: Wooden rods form the bag's structural elements; visible clip and ring hardware are purple-toned and brass-toned, with no Coach markings visible.",
        "leather_description": "photos 1-4: No leather body or trim is visible; exterior appears to be woven tapestry fabric with fabric-covered straps.",
        "lining_description": "photo 5: Purple fabric lining with multiple slip pockets is visible; no brand label is visible.",
        "strap_construction": "photos 2-4: Long fabric-covered strap feeds around\/through the wooden rods and appears convertible between shoulder, crossbody, and hand carry.",
        "stitching_description": "photos 1-5: Visible machine stitching appears generally even, but close-up stress-point and seam construction are limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0035,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.05,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.84,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Bag is made from patterned woven tapestry fabric rather than Coach's characteristic leather, coated canvas, or signature C canvas.",
                    "photo 3: Long wooden structural rods and fabric-covered strap construction are not characteristic of the listed vintage Coach models.",
                    "photo 5: Purple synthetic-looking fabric lining, hook-and-loop exterior closure, and purple-toned clip hardware are inconsistent with a classic vintage Coach handbag.",
                    "photos 1-5: No visible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or Coach hangtag."
                ],
                "missing_information": [
                    "photo 1-5: No close-up of any maker label or sewn-in brand tag is provided.",
                    "photo 1-5: Seller-stated vintage date and materials are not independently verifiable from the photos.",
                    "photo 5: Interior seams and lining are visible, but no label area or hidden pocket tag is shown."
                ],
                "authenticity_concerns": [
                    "photos 1-5: The construction and materials strongly indicate a non-Coach textile or handmade bag; there is no Coach identifier to support attribution."
                ],
                "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": "photos 2-5: Wooden rods form the bag's structural elements; visible clip and ring hardware are purple-toned and brass-toned, with no Coach markings visible.",
                    "leather_description": "photos 1-4: No leather body or trim is visible; exterior appears to be woven tapestry fabric with fabric-covered straps.",
                    "lining_description": "photo 5: Purple fabric lining with multiple slip pockets is visible; no brand label is visible.",
                    "strap_construction": "photos 2-4: Long fabric-covered strap feeds around\/through the wooden rods and appears convertible between shoulder, crossbody, and hand carry.",
                    "stitching_description": "photos 1-5: Visible machine stitching appears generally even, but close-up stress-point and seam construction are limited."
                },
                "possible_model_reasoning": [
                    "photos 1-5: No Coach model is a reasonable match because the bag lacks Coach identifiers and uses an unusual tapestry-and-wood construction outside the cataloged Coach silhouettes.",
                    "Condition: approximately Very Good based on the visible intact exterior, lining, straps, and hardware; bottom corners, odor, and hidden wear are not fully assessable."
                ],
                "confidence": 0.87,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-5: tapestry fabric body with wooden dowel frame incompatible with any Coach glove-tanned or canvas line",
                    "photo 5: plastic keychain hardware and synthetic lining inconsistent with Coach materials"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 8,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "No creed patch or brand label shown in any photo",
                    "No maker mark, fabric tag, or hardware stamp visible",
                    "No close-up of seams or exterior pocket closure"
                ],
                "negative_evidence": [
                    "photo 1-4: all-over floral tapestry fabric body, not glove-tanned leather or Coach signature canvas",
                    "photo 1-3: strap feeds through long wooden dowels, not a Coach strap attachment",
                    "photo 5: purple synthetic lining with slip pockets, not unlined suede or Coach lining",
                    "photo 5: purple plastic lobster keychain, not solid brass hardware",
                    "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag, no turnlock visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "wooden dowel bars at top and plastic purple keychain clip; no brass turnlock, buckles, or zippers visible",
                    "leather_description": "no leather visible; woven tapestry fabric in pale blue\/green\/yellow floral pattern",
                    "lining_description": "photo 5: solid light purple synthetic fabric lining with slip pockets",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "light-colored straight stitching on exterior pockets and interior, casual craft construction",
                    "strap_construction": "matching tapestry fabric long strap threaded through wooden dowels, convertible length per seller",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-5: is a handbag with shoulder\/crossbody strap and pockets"
                ],
                "possible_model_reasoning": [
                    "No Coach silhouette, closure, leather, lining, or hardware match; wooden-dowel tapestry construction is handmade\/craft, not in Coach catalog",
                    "Serial decode: none - no number visible",
                    "Era reasoning: tapestry craft bag with synthetic lining and plastic hardware suggests late 20th century to modern handmade, non-Coach",
                    "Condition: Very Good to Excellent as shown; fabric appears clean, no visible wear (photo 1-4), interior clean (photo 5), but bottom corners and full strap wear not fully assessed"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.3
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17689,
            "output_tokens": 790,
            "total_tokens": 18479,
            "estimated_cost_usd": 0.008972
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18196,
            "output_tokens": 1176,
            "total_tokens": 19372,
            "estimated_cost_usd": 0.00458
        }
    ]
}