Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.025,
    "vintage_probability": 0.73,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.56,
    "seller_misidentification_probability": 0.485,
    "confidence": 0.75,
    "recommended_max_bid": 9,
    "estimated_resale_low": 6.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 2: visible round gold-tone clasp is marked with a WP-like monogram, not a legible COACH wordmark or horse-and-carriage.",
        "photo 5: interior appears fabric-lined with a striped zippered compartment and synthetic-looking black lining, unlike many classic unlined glove-tanned Coach bags.",
        "photo 1: white textured body with black contrast trim appears structured and edge-finished rather than vintage Coach glove-tanned leather.",
        "photo 5: visible zipper and interior construction do not show a Coach creed, style number, or other Coach identifier.",
        "photo 6: seller-provided interior view is dark and partially obstructed, but no Coach branding is visible.",
        "photo 2, photo 3, photo 4: hinge\/frame hardware stamped with interlocked WP monogram, not COACH wordmark or horse-and-carriage",
        "photo 1, photo 5, photo 6: framed kisslock \/ top-frame closure with side hinge, not Coach turnlock geometry",
        "photo 5, photo 6: black fabric lining and striped satin zip compartment, not unlined suede-back glove-tanned leather",
        "photo 1, photo 2, photo 4: white body with black trim shows embossed crosshatch coated \/ faux patent texture, not matte glove-tanned cowhide",
        "photo 5, photo 6: no creed patch visible on interior wall or slip pocket; seller states there is no tag inside",
        "photo 1-6: no leather hangtag, no COACH cartouche, no brass dogleash clips or solid-brass turnlock seen"
    ],
    "missing_information": [
        "Straight-on full front, back, sides, bottom, and all corners.",
        "Clear interior photograph with the bag emptied, especially every wall, pocket, and seam for a creed or fabric label.",
        "Close-up of the WP clasp and any zipper pulls, including the reverse sides.",
        "Full strap and handle attachment photographs.",
        "Material and dimensions are not independently verifiable from the photos.",
        "photo 1-6: no full front, back, bottom or side exterior views to assess silhouette and scale",
        "photo 5-6: interior only partially shown; no clear view of maker label or content tags - seller states no tag inside",
        "close-up of handle attachments and full strap\/handle length"
    ],
    "authenticity_concerns": [
        "The WP-marked clasp is inconsistent with the expected unmarked vintage Coach hardware and does not provide Coach attribution.",
        "The structured white\/black, fabric-lined construction and monogram clasp are more consistent with an unidentified vintage fashion handbag or another maker than a Coach classic.",
        "No Coach creed, serial\/style number, hangtag, wordmark, or carriage is visible in the supplied photos."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the WP clasp and structured, lined white-and-black design do not correspond to the supplied vintage Coach catalog cues.",
        "Seller's suggested 1960s era is unverified; the photos show a vintage-looking design but no dated label or construction feature that establishes the decade.",
        "Condition appears Good based on visible scuffs, discoloration, surface wear, and worn\/abraded black trim (photos 1-5); bottom, corners, and full exterior are not shown.",
        "No Coach model fits: framed top-handle trapezoid with WP hardware, coated white\/black materials and fabric lining does not match any Classic glove-tanned catalog style (City Bag, Willis, Court, Dinky, etc.)",
        "Serial decode: none - no creed or number visible; seller-typed text provides no number",
        "Era reasoning: construction (coated body, fabric lining, WP frame hardware) inconsistent with 1960s-1990s Coach glove-tanned unlined brass-hardware construction; non-Coach vintage-style bag",
        "Condition: Good to Fair vintage preowned; age marks, scuffs and discoloration noted by seller, white coating shows soiling and edge wear in close-ups (photo 1-4), full condition grade capped by missing exterior 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 2: round gold-tone clasp\/button with a raised WP-like monogram; photo 5: gold-tone rectangular clasp plate and small gold-tone zipper hardware visible.",
        "leather_description": "photo 1: white textured material with black textured contrast trim; exact material cannot be determined from photos.",
        "lining_description": "photo 5: black fabric lining and a white interior zip-pocket panel with striped fabric visible inside the pocket.",
        "strap_construction": "photo 5: narrow black top handles\/straps attached at the sides; construction is only partially visible.",
        "stitching_description": "photo 5: visible perimeter stitching on the white interior pocket panel appears generally even; broader stitching coverage is not visible."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0339,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.86,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.67,
                "seller_misidentification_probability": 0.94,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 2: visible round gold-tone clasp is marked with a WP-like monogram, not a legible COACH wordmark or horse-and-carriage.",
                    "photo 5: interior appears fabric-lined with a striped zippered compartment and synthetic-looking black lining, unlike many classic unlined glove-tanned Coach bags.",
                    "photo 1: white textured body with black contrast trim appears structured and edge-finished rather than vintage Coach glove-tanned leather.",
                    "photo 5: visible zipper and interior construction do not show a Coach creed, style number, or other Coach identifier.",
                    "photo 6: seller-provided interior view is dark and partially obstructed, but no Coach branding is visible."
                ],
                "missing_information": [
                    "Straight-on full front, back, sides, bottom, and all corners.",
                    "Clear interior photograph with the bag emptied, especially every wall, pocket, and seam for a creed or fabric label.",
                    "Close-up of the WP clasp and any zipper pulls, including the reverse sides.",
                    "Full strap and handle attachment photographs.",
                    "Material and dimensions are not independently verifiable from the photos."
                ],
                "authenticity_concerns": [
                    "The WP-marked clasp is inconsistent with the expected unmarked vintage Coach hardware and does not provide Coach attribution.",
                    "The structured white\/black, fabric-lined construction and monogram clasp are more consistent with an unidentified vintage fashion handbag or another maker than a Coach classic.",
                    "No Coach creed, serial\/style number, hangtag, wordmark, or carriage is visible in the supplied photos."
                ],
                "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: round gold-tone clasp\/button with a raised WP-like monogram; photo 5: gold-tone rectangular clasp plate and small gold-tone zipper hardware visible.",
                    "leather_description": "photo 1: white textured material with black textured contrast trim; exact material cannot be determined from photos.",
                    "lining_description": "photo 5: black fabric lining and a white interior zip-pocket panel with striped fabric visible inside the pocket.",
                    "strap_construction": "photo 5: narrow black top handles\/straps attached at the sides; construction is only partially visible.",
                    "stitching_description": "photo 5: visible perimeter stitching on the white interior pocket panel appears generally even; broader stitching coverage is not visible."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the WP clasp and structured, lined white-and-black design do not correspond to the supplied vintage Coach catalog cues.",
                    "Seller's suggested 1960s era is unverified; the photos show a vintage-looking design but no dated label or construction feature that establishes the decade.",
                    "Condition appears Good based on visible scuffs, discoloration, surface wear, and worn\/abraded black trim (photos 1-5); bottom, corners, and full exterior are not shown."
                ],
                "confidence": 0.72,
                "recommended_max_bid": 10,
                "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": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 8,
                "image_quality_score": 0.45,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo 1-6: no full front, back, bottom or side exterior views to assess silhouette and scale",
                    "photo 5-6: interior only partially shown; no clear view of maker label or content tags - seller states no tag inside",
                    "close-up of handle attachments and full strap\/handle length"
                ],
                "negative_evidence": [
                    "photo 2, photo 3, photo 4: hinge\/frame hardware stamped with interlocked WP monogram, not COACH wordmark or horse-and-carriage",
                    "photo 1, photo 5, photo 6: framed kisslock \/ top-frame closure with side hinge, not Coach turnlock geometry",
                    "photo 5, photo 6: black fabric lining and striped satin zip compartment, not unlined suede-back glove-tanned leather",
                    "photo 1, photo 2, photo 4: white body with black trim shows embossed crosshatch coated \/ faux patent texture, not matte glove-tanned cowhide",
                    "photo 5, photo 6: no creed patch visible on interior wall or slip pocket; seller states there is no tag inside",
                    "photo 1-6: no leather hangtag, no COACH cartouche, no brass dogleash clips or solid-brass turnlock seen"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone framed top closure with round knob and side hinge caps stamped with WP monogram emblem (photo 2, photo 3, photo 4); small zipper with plain pull (photo 5)",
                    "leather_description": "white body with black trim and piping with crosshatch embossed coated appearance suggesting vinyl \/ faux patent, not glove-tanned leather (photo 1, photo 2, photo 4)",
                    "lining_description": "black fabric lining with central white-trim zip compartment lined in white with red\/black\/grey stripe satin (photo 5, photo 6)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "light contrast edge stitching on white zip panel (photo 5); general stitching not clearly legible",
                    "strap_construction": "short black top handles attached with metal rings, full length and attachments not shown (photo 5, photo 6)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: framed top-handle trapezoid with WP hardware, coated white\/black materials and fabric lining does not match any Classic glove-tanned catalog style (City Bag, Willis, Court, Dinky, etc.)",
                    "Serial decode: none - no creed or number visible; seller-typed text provides no number",
                    "Era reasoning: construction (coated body, fabric lining, WP frame hardware) inconsistent with 1960s-1990s Coach glove-tanned unlined brass-hardware construction; non-Coach vintage-style bag",
                    "Condition: Good to Fair vintage preowned; age marks, scuffs and discoloration noted by seller, white coating shows soiling and edge wear in close-ups (photo 1-4), full condition grade capped by missing exterior views"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.6
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18377,
            "output_tokens": 718,
            "total_tokens": 19095,
            "estimated_cost_usd": 0.009074
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18929,
            "output_tokens": 1587,
            "total_tokens": 20516,
            "estimated_cost_usd": 0.005055
        }
    ]
}