Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.115,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.875,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 20,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: body appears to be woven textile or synthetic fabric rather than Coach glove-tanned leather or Coach signature canvas.",
        "photo 1 and photo 6: bright gold-colored rounded piping and trim do not resemble the solid-brass turnlock construction of classic vintage Coach bags.",
        "photo 5: interior shows a light synthetic-looking lining and white zipper tape; no Coach creed or fabric identification tag is visible.",
        "photo 1, photo 2 and photo 3: no COACH wordmark, horse-and-carriage, hangtag, or other recognizable Coach identifier is visible.",
        "photo 3: the bag has a visible stain on the front\/back-facing panel, consistent with the seller's description.",
        "photo 1, photo 2, photo 3, photo 6: body is woven beige textile\/canvas with piping trim, not glove-tanned cowhide",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photo 1-5: no turnlock or solid brass hardware visible",
        "photo 5: light-colored synthetic lining, not unlined suede-back glove-tanned leather"
    ],
    "missing_information": [
        "A straight-on photograph of every interior wall and pocket, including any sewn-in brand or creed label.",
        "Close-ups of all zipper pulls, strap attachments, and hardware for maker markings.",
        "Full back, side, bottom, and strap photographs to assess construction and condition completely.",
        "Seller-stated dimensions are only partially supported by the ruler photos; a complete width, height, and depth measurement would help.",
        "photo of any interior brand label or stamped patch, if present",
        "photo of closure hardware and strap attachments in focus",
        "photo of bottom and corners for condition"
    ],
    "authenticity_concerns": [
        "The textile body, synthetic-looking lining, white zipper tape, and decorative piping are inconsistent with a classic vintage Coach leather handbag.",
        "No Coach identifier is visible in the provided photos; the silhouette and compartment layout are generic and widely produced by other brands."
    ],
    "possible_model_reasoning": [
        "The structured flap, multiple compartments, exterior pocket, and shoulder strap identify this as a handbag, but not a distinctive Coach model.",
        "The material and construction are more consistent with a generic textile satchel or compartment shoulder bag than with a vintage Coach leather classic.",
        "Condition: Good; visible staining on the exterior (photo 3), with no complete bottom or strap-condition view.",
        "No Coach identifiers visible in any photo: no creed, no wordmark, no hangtag, no brass turnlock",
        "Construction inconsistent with vintage Coach classics: woven fabric body and synthetic lining vs unlined glove-tanned cowhide and solid brass",
        "Silhouette is generic flap satchel\/messenger with exterior pocket, not matching a catalog Coach style",
        "Condition: Good; small brown stain on back exterior pocket (photo 3, photo 4) and light edge wear on piping (photo 6)"
    ],
    "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 and photo 6: rounded gold-colored piping\/trim around the flap and body; no turnlock, engraved hardware, or maker marking visible.",
        "leather_description": "photo 1, photo 4 and photo 6: tightly woven beige textile or synthetic fabric; not visibly leather.",
        "lining_description": "photo 5: light beige smooth lining with multiple compartments and a white-toothed zipper; no brand label visible.",
        "strap_construction": "photo 1 and photo 3: narrow adjustable-looking textile shoulder strap with light-colored attachment hardware; close-up of the attachment points is incomplete.",
        "stitching_description": "photos 4 and 6: generally straight machine stitching around the textile panels and piping; some loose\/fuzzy threads are visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0023,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.18,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: body appears to be woven textile or synthetic fabric rather than Coach glove-tanned leather or Coach signature canvas.",
                    "photo 1 and photo 6: bright gold-colored rounded piping and trim do not resemble the solid-brass turnlock construction of classic vintage Coach bags.",
                    "photo 5: interior shows a light synthetic-looking lining and white zipper tape; no Coach creed or fabric identification tag is visible.",
                    "photo 1, photo 2 and photo 3: no COACH wordmark, horse-and-carriage, hangtag, or other recognizable Coach identifier is visible.",
                    "photo 3: the bag has a visible stain on the front\/back-facing panel, consistent with the seller's description."
                ],
                "missing_information": [
                    "A straight-on photograph of every interior wall and pocket, including any sewn-in brand or creed label.",
                    "Close-ups of all zipper pulls, strap attachments, and hardware for maker markings.",
                    "Full back, side, bottom, and strap photographs to assess construction and condition completely.",
                    "Seller-stated dimensions are only partially supported by the ruler photos; a complete width, height, and depth measurement would help."
                ],
                "authenticity_concerns": [
                    "The textile body, synthetic-looking lining, white zipper tape, and decorative piping are inconsistent with a classic vintage Coach leather handbag.",
                    "No Coach identifier is visible in the provided photos; the silhouette and compartment layout are generic and widely produced by other brands."
                ],
                "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 and photo 6: rounded gold-colored piping\/trim around the flap and body; no turnlock, engraved hardware, or maker marking visible.",
                    "leather_description": "photo 1, photo 4 and photo 6: tightly woven beige textile or synthetic fabric; not visibly leather.",
                    "lining_description": "photo 5: light beige smooth lining with multiple compartments and a white-toothed zipper; no brand label visible.",
                    "strap_construction": "photo 1 and photo 3: narrow adjustable-looking textile shoulder strap with light-colored attachment hardware; close-up of the attachment points is incomplete.",
                    "stitching_description": "photos 4 and 6: generally straight machine stitching around the textile panels and piping; some loose\/fuzzy threads are visible."
                },
                "possible_model_reasoning": [
                    "The structured flap, multiple compartments, exterior pocket, and shoulder strap identify this as a handbag, but not a distinctive Coach model.",
                    "The material and construction are more consistent with a generic textile satchel or compartment shoulder bag than with a vintage Coach leather classic.",
                    "Condition: Good; visible staining on the exterior (photo 3), with no complete bottom or strap-condition view."
                ],
                "confidence": 0.9,
                "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": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo of any interior brand label or stamped patch, if present",
                    "photo of closure hardware and strap attachments in focus",
                    "photo of bottom and corners for condition"
                ],
                "negative_evidence": [
                    "photo 1, photo 2, photo 3, photo 6: body is woven beige textile\/canvas with piping trim, not glove-tanned cowhide",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photo 1-5: no turnlock or solid brass hardware visible",
                    "photo 5: light-colored synthetic lining, not unlined suede-back glove-tanned leather"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "not_visible - no brass hardware, turnlock, zipper pull or chain visible in provided views",
                    "leather_description": "no leather visible - beige woven textile\/canvas body with smooth light-tone piping trim (photo 1, photo 2, photo 3, photo 6)",
                    "lining_description": "light off-white synthetic fabric lining visible in top opening (photo 5)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching around flap edge, tone-on-tone (photo 6)",
                    "strap_construction": "flat fabric shoulder strap, appears adjustable with slide, attachments not shown in detail (photo 1)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifiers visible in any photo: no creed, no wordmark, no hangtag, no brass turnlock",
                    "Construction inconsistent with vintage Coach classics: woven fabric body and synthetic lining vs unlined glove-tanned cowhide and solid brass",
                    "Silhouette is generic flap satchel\/messenger with exterior pocket, not matching a catalog Coach style",
                    "Condition: Good; small brown stain on back exterior pocket (photo 3, photo 4) and light edge wear on piping (photo 6)"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17708,
            "output_tokens": 823,
            "total_tokens": 18531,
            "estimated_cost_usd": 0.009058
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18042,
            "output_tokens": 1176,
            "total_tokens": 19218,
            "estimated_cost_usd": 0.004549
        }
    ]
}