Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.01,
    "vintage_probability": 0.01,
    "authenticity_confidence": 0.01,
    "image_quality_score": 0.805,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.925,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: exterior prominently displays Louis Vuitton-style LV monogram and floral motifs, not a Coach signature pattern",
        "photo 1: front hardware and tan trim do not show a Coach wordmark, horse-and-carriage, or Coach hangtag",
        "photo 3: interior is divided and zippered with a modern synthetic-looking lining; no Coach creed patch is visible",
        "photo 4: included strap and hardware are packaged separately, with no visible Coach identification",
        "photos 1-4: coated monogram canvas, pale trim, and round structured silhouette are inconsistent with classic vintage Coach glove-tanned leather construction",
        "photo 1: brown coated canvas with all-over LV monogram print and LV logo on front tag - Coach never used LV print",
        "photo 1, photo 2: vachetta-style tan trim and coated canvas construction, not vintage Coach glove-tanned leather",
        "photo 3: tan synthetic lining and divider construction, not unlined suede-back glove-tanned classic interior",
        "photo 1, photo 2, photo 3, photo 4: no Coach creed patch, no COACH wordmark, no Coach turnlock, no brass glove-tanned hardware seen",
        "photo 1, photo 3, photo 4: new-appearing condition with foam-wrapped handle and plastic-wrapped strap listed as Unbranded"
    ],
    "missing_information": [
        "photo 3: a closer, fully emptied interior view and any sewn-in brand or date tag",
        "photo 1: close-ups of all exterior hardware and zipper pulls",
        "photos 1-4: seller-stated dimensions and confirmation of whether the visible LV marks are authorized or counterfeit",
        "No Coach creed patch visible in any photo - interior close-up with creed would confirm, but LV branding already excludes Coach",
        "No Coach wordmark, horse-and-carriage, or serial number visible",
        "No bottom, hardware engraving close-up, or dimensions stated"
    ],
    "authenticity_concerns": [
        "photos 1-4: the bag uses Louis Vuitton trademarks while being listed as unbranded; it appears to be a non-Coach lookalike or possibly counterfeit branded merchandise",
        "photo 1: the repeated LV monogram is not Coach Signature C canvas and provides no support for Coach manufacture",
        "photo 1: bag displays Louis Vuitton LV monogram and LV logo - branding inconsistent with Coach manufacture",
        "photo 1, photo 2, photo 3: new-appearing coated canvas bag with protective foam\/plastic wrapping listed as Unbranded - replica-signal pattern for logo-print bags"
    ],
    "possible_model_reasoning": [
        "photo 1: the round structured monogram satchel shape does not correspond to a recognizable vintage Coach catalog model.",
        "photos 1-4: the visible LV-style branding, coated canvas, modern compartmented interior, and protective packaging place this in a modern non-Coach category rather than a vintage Coach era.",
        "Condition: appears new or unused from the protective wrapping, but bottom, corners, strap length, and complete interior condition are not fully documented.",
        "No Coach model fits: round hat-box silhouette with LV monogram, zip-around closure, and LV luggage tag does not match any catalog Coach style in section 4",
        "Serial decode: none - no serial visible",
        "Era reasoning: modern coated-canvas construction with synthetic lining indicates modern (2000s+) non-Coach",
        "Condition: New-appearing; foam and plastic wrapping intact, no wear visible in photos 1-4"
    ],
    "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: gold-tone rectangular buckle and small gold-tone fittings are visible; no Coach engraving is legible. photo 4: additional gold-tone strap hardware is packaged separately.",
        "leather_description": "photos 1-2: dark brown coated monogram canvas with pale tan trim and appliqued leather-like panels; it does not appear to be vintage glove-tanned leather.",
        "lining_description": "photo 3: light tan, compartmentalized synthetic-looking interior with zippered opening; no creed or Coach label is visible.",
        "strap_construction": "photos 1 and 4: short tan top handles are wrapped in protective material; a separate long strap appears to be included, but its full construction is not shown.",
        "stitching_description": "photos 1-3: visible tan stitching is generally even around the trim and appliqued panels; detailed stress-point stitching is not shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0017,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.01,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.05,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: exterior prominently displays Louis Vuitton-style LV monogram and floral motifs, not a Coach signature pattern",
                    "photo 1: front hardware and tan trim do not show a Coach wordmark, horse-and-carriage, or Coach hangtag",
                    "photo 3: interior is divided and zippered with a modern synthetic-looking lining; no Coach creed patch is visible",
                    "photo 4: included strap and hardware are packaged separately, with no visible Coach identification",
                    "photos 1-4: coated monogram canvas, pale trim, and round structured silhouette are inconsistent with classic vintage Coach glove-tanned leather construction"
                ],
                "missing_information": [
                    "photo 3: a closer, fully emptied interior view and any sewn-in brand or date tag",
                    "photo 1: close-ups of all exterior hardware and zipper pulls",
                    "photos 1-4: seller-stated dimensions and confirmation of whether the visible LV marks are authorized or counterfeit"
                ],
                "authenticity_concerns": [
                    "photos 1-4: the bag uses Louis Vuitton trademarks while being listed as unbranded; it appears to be a non-Coach lookalike or possibly counterfeit branded merchandise",
                    "photo 1: the repeated LV monogram is not Coach Signature C canvas and provides no support for Coach manufacture"
                ],
                "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: gold-tone rectangular buckle and small gold-tone fittings are visible; no Coach engraving is legible. photo 4: additional gold-tone strap hardware is packaged separately.",
                    "leather_description": "photos 1-2: dark brown coated monogram canvas with pale tan trim and appliqued leather-like panels; it does not appear to be vintage glove-tanned leather.",
                    "lining_description": "photo 3: light tan, compartmentalized synthetic-looking interior with zippered opening; no creed or Coach label is visible.",
                    "strap_construction": "photos 1 and 4: short tan top handles are wrapped in protective material; a separate long strap appears to be included, but its full construction is not shown.",
                    "stitching_description": "photos 1-3: visible tan stitching is generally even around the trim and appliqued panels; detailed stress-point stitching is not shown."
                },
                "possible_model_reasoning": [
                    "photo 1: the round structured monogram satchel shape does not correspond to a recognizable vintage Coach catalog model.",
                    "photos 1-4: the visible LV-style branding, coated canvas, modern compartmented interior, and protective packaging place this in a modern non-Coach category rather than a vintage Coach era.",
                    "Condition: appears new or unused from the protective wrapping, but bottom, corners, strap length, and complete interior condition are not fully documented."
                ],
                "confidence": 0.95,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1: bag displays Louis Vuitton LV monogram and LV logo - branding inconsistent with Coach manufacture",
                    "photo 1, photo 2, photo 3: new-appearing coated canvas bag with protective foam\/plastic wrapping listed as Unbranded - replica-signal pattern for logo-print bags"
                ],
                "authenticity_confidence": 0.01,
                "coach_probability": 0.01,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach creed patch visible in any photo - interior close-up with creed would confirm, but LV branding already excludes Coach",
                    "No Coach wordmark, horse-and-carriage, or serial number visible",
                    "No bottom, hardware engraving close-up, or dimensions stated"
                ],
                "negative_evidence": [
                    "photo 1: brown coated canvas with all-over LV monogram print and LV logo on front tag - Coach never used LV print",
                    "photo 1, photo 2: vachetta-style tan trim and coated canvas construction, not vintage Coach glove-tanned leather",
                    "photo 3: tan synthetic lining and divider construction, not unlined suede-back glove-tanned classic interior",
                    "photo 1, photo 2, photo 3, photo 4: no Coach creed patch, no COACH wordmark, no Coach turnlock, no brass glove-tanned hardware seen",
                    "photo 1, photo 3, photo 4: new-appearing condition with foam-wrapped handle and plastic-wrapped strap listed as Unbranded"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": true,
                    "hardware_description": "gold-tone zipper teeth, rectangular buckle, studs and D-rings; bright plated appearance, not vintage solid brass; no COACH stamping visible",
                    "leather_description": "brown LV-monogram coated canvas body with light tan trim; not glove-tanned cowhide",
                    "lining_description": "tan smooth synthetic lining visible in photo 3, with center divider",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "yellow-gold contrast stitching around trim and tag visible in photo 1 and photo 2",
                    "strap_construction": "short top handle wrapped in white foam in photo 1-3; separate red detachable strap with gold-tone clips sealed in plastic in photo 4",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: round hat-box silhouette with LV monogram, zip-around closure, and LV luggage tag does not match any catalog Coach style in section 4",
                    "Serial decode: none - no serial visible",
                    "Era reasoning: modern coated-canvas construction with synthetic lining indicates modern (2000s+) non-Coach",
                    "Condition: New-appearing; foam and plastic wrapping intact, no wear visible in photos 1-4"
                ],
                "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": 24213,
            "output_tokens": 912,
            "total_tokens": 25125,
            "estimated_cost_usd": 0.011874
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 25181,
            "output_tokens": 1546,
            "total_tokens": 26727,
            "estimated_cost_usd": 0.006273
        }
    ]
}