Vintage Coach Hunter

{
    "is_handbag_probability": 0.59,
    "coach_probability": 0.02,
    "vintage_probability": 0.045,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.685,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.855,
    "recommended_max_bid": 15,
    "estimated_resale_low": 22.5,
    "estimated_resale_high": 55,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: The visible black-and-white polka-dot bag has a fashion-print synthetic\/leatherette appearance and no visible Coach identifier.",
        "photo 2: The pale pink crossbody has smooth coated-looking material, exposed machine stitching, and no visible Coach creed or wordmark.",
        "photo 3: The brown crossbody has generic decorative strap hardware and does not show a Coach creed, hangtag, or wordmark.",
        "photo 4: The black oval bag has modern quilted construction and generic hardware, with no visible Coach branding.",
        "photo 5: The pink mini backpack visibly carries a PINK\/Victoria's Secret-style patch, not a Coach mark.",
        "photo 6: The brown messenger bag has textile construction and a webbing strap, inconsistent with a classic vintage Coach leather handbag.",
        "photo 1\/photo 2\/photo 5: Several items use bright fashion styling, synthetic-looking materials, or nylon rather than vintage Coach glove-tanned leather.",
        "photo 1: black polka-dot bow bag with Betsey Johnson hardware, synthetic coated material, pink floral lining - not Coach construction",
        "photo 2: pale pink dome crossbody with retail tag, synthetic edge paint, thin strap - modern fast-fashion, not glove-tanned",
        "photo 3: distressed brown mini crossbody with silver-tone snap and lobster clasp, no turnlock, no creed, no hangtag",
        "photo 4: black quilted chevron fanny pack with synthetic sheen and tassel - not Coach",
        "photo 5: neon pink canvas mini backpack with PINK leatherette patch - Victoria's Secret, nylon\/canvas, not Coach",
        "photo 6: brown canvas messenger with webbing strap and top zip pocket - canvas material, not Coach leather"
    ],
    "missing_information": [
        "A dedicated interior photo of each bag and any sewn-in brand labels.",
        "Close-ups of all exterior and interior tags, including the black-and-white bag's central hardware.",
        "Bottom, side, strap, zipper-pull, and material-detail photos for each item.",
        "Seller-stated dimensions and confirmation of whether any bag is genuine leather.",
        "no creed patch shown for any bag in lot",
        "no interior views showing lining or labels",
        "no hardware close-ups of zipper brands or stamps",
        "no clear view of 6th bag described as brown messenger"
    ],
    "authenticity_concerns": [
        "No Coach creed patch, serial\/style number, Coach hangtag, horse-and-carriage mark, or Coach wordmark is visible in the six photos.",
        "The visible branding and construction point to Betsey Johnson, PINK\/Victoria's Secret, or generic modern fashion bags rather than Coach.",
        "The lot contains multiple different modern styles and materials; none visually matches a documented vintage Coach classic closely enough to support a Coach attribution."
    ],
    "possible_model_reasoning": [
        "No Coach model is supportable from the silhouettes or visible construction. The lot appears to be a mixed modern fashion-bag assortment.",
        "photo 5: The pink mini backpack visibly appears associated with PINK\/Victoria's Secret based on its patch, consistent with the seller's description.",
        "photo 1\/photo 2: The polka-dot and pale pink bags have fashion-bag styling rather than recognizable Coach classic silhouettes.",
        "Condition: mixed and incompletely documented; photo 1 shows general used appearance, while the seller states some pieces are new or lightly used. Interiors, bottoms, odors, and functional condition are unknown.",
        "multi-bag Y2K lot with no Coach silhouette, no creed, no wordmark, no solid brass, no unlined glove-tanned leather; all visible bags match seller text as Betsey Johnson, PINK Victoria's Secret and unbranded synthetics",
        "Condition: mixed - one NWT, one new, others used Good to Very Good per seller; photos show surface wear but cluttered lot views limit grading"
    ],
    "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: mixed-tone decorative metal hardware and zipper pulls; photo 3: generic silver-tone clips and rings; photo 4: gold-tone zipper\/hardware. No Coach-specific vintage hardware is visible.",
        "leather_description": "photo 3: brown material appears leather-like or coated, but leather cannot be confirmed; other bags appear synthetic, coated, or textile.",
        "lining_description": "photo 5: bright pink textile interior\/exterior construction is visible; other interiors are not shown clearly enough for full assessment.",
        "strap_construction": "photo 3: adjustable narrow strap with generic clips; photo 6: black webbing shoulder strap; other straps are visible but not sufficiently detailed.",
        "stitching_description": "photo 2\/photo 4: regular machine stitching is visible on smooth modern-looking materials; no distinctive vintage Coach construction can be established."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0244,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.04,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: The visible black-and-white polka-dot bag has a fashion-print synthetic\/leatherette appearance and no visible Coach identifier.",
                    "photo 2: The pale pink crossbody has smooth coated-looking material, exposed machine stitching, and no visible Coach creed or wordmark.",
                    "photo 3: The brown crossbody has generic decorative strap hardware and does not show a Coach creed, hangtag, or wordmark.",
                    "photo 4: The black oval bag has modern quilted construction and generic hardware, with no visible Coach branding.",
                    "photo 5: The pink mini backpack visibly carries a PINK\/Victoria's Secret-style patch, not a Coach mark.",
                    "photo 6: The brown messenger bag has textile construction and a webbing strap, inconsistent with a classic vintage Coach leather handbag.",
                    "photo 1\/photo 2\/photo 5: Several items use bright fashion styling, synthetic-looking materials, or nylon rather than vintage Coach glove-tanned leather."
                ],
                "missing_information": [
                    "A dedicated interior photo of each bag and any sewn-in brand labels.",
                    "Close-ups of all exterior and interior tags, including the black-and-white bag's central hardware.",
                    "Bottom, side, strap, zipper-pull, and material-detail photos for each item.",
                    "Seller-stated dimensions and confirmation of whether any bag is genuine leather."
                ],
                "authenticity_concerns": [
                    "No Coach creed patch, serial\/style number, Coach hangtag, horse-and-carriage mark, or Coach wordmark is visible in the six photos.",
                    "The visible branding and construction point to Betsey Johnson, PINK\/Victoria's Secret, or generic modern fashion bags rather than Coach.",
                    "The lot contains multiple different modern styles and materials; none visually matches a documented vintage Coach classic closely enough to support a Coach 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": "photo 1: mixed-tone decorative metal hardware and zipper pulls; photo 3: generic silver-tone clips and rings; photo 4: gold-tone zipper\/hardware. No Coach-specific vintage hardware is visible.",
                    "leather_description": "photo 3: brown material appears leather-like or coated, but leather cannot be confirmed; other bags appear synthetic, coated, or textile.",
                    "lining_description": "photo 5: bright pink textile interior\/exterior construction is visible; other interiors are not shown clearly enough for full assessment.",
                    "strap_construction": "photo 3: adjustable narrow strap with generic clips; photo 6: black webbing shoulder strap; other straps are visible but not sufficiently detailed.",
                    "stitching_description": "photo 2\/photo 4: regular machine stitching is visible on smooth modern-looking materials; no distinctive vintage Coach construction can be established."
                },
                "possible_model_reasoning": [
                    "No Coach model is supportable from the silhouettes or visible construction. The lot appears to be a mixed modern fashion-bag assortment.",
                    "photo 5: The pink mini backpack visibly appears associated with PINK\/Victoria's Secret based on its patch, consistent with the seller's description.",
                    "photo 1\/photo 2: The polka-dot and pale pink bags have fashion-bag styling rather than recognizable Coach classic silhouettes.",
                    "Condition: mixed and incompletely documented; photo 1 shows general used appearance, while the seller states some pieces are new or lightly used. Interiors, bottoms, odors, and functional condition are unknown."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 15,
                "estimated_resale_low": 25,
                "estimated_resale_high": 70
            }
        },
        {
            "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": 40,
                "estimated_resale_low": 20,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.2,
                "missing_information": [
                    "no creed patch shown for any bag in lot",
                    "no interior views showing lining or labels",
                    "no hardware close-ups of zipper brands or stamps",
                    "no clear view of 6th bag described as brown messenger"
                ],
                "negative_evidence": [
                    "photo 1: black polka-dot bow bag with Betsey Johnson hardware, synthetic coated material, pink floral lining - not Coach construction",
                    "photo 2: pale pink dome crossbody with retail tag, synthetic edge paint, thin strap - modern fast-fashion, not glove-tanned",
                    "photo 3: distressed brown mini crossbody with silver-tone snap and lobster clasp, no turnlock, no creed, no hangtag",
                    "photo 4: black quilted chevron fanny pack with synthetic sheen and tassel - not Coach",
                    "photo 5: neon pink canvas mini backpack with PINK leatherette patch - Victoria's Secret, nylon\/canvas, not Coach",
                    "photo 6: brown canvas messenger with webbing strap and top zip pocket - canvas material, not Coach leather"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "mixed silver and gold-tone modern zippers and clasps; no solid brass turnlock, no dogleash clips, no brass bead chain visible",
                    "leather_description": "no glove-tanned cowhide visible; synthetic faux leather, canvas and nylon across lot",
                    "lining_description": "photo 1: pink synthetic with red floral print; otherwise not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 4: chevron quilting with contrast stitch; photo 3: topstitching on distressed faux leather; no even matched-thread Coach stitching observed",
                    "strap_construction": "thin synthetic crossbody straps, webbing messenger strap, drawstring backpack straps; no buckle-adjustable leather with brass slides",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "multi-bag Y2K lot with no Coach silhouette, no creed, no wordmark, no solid brass, no unlined glove-tanned leather; all visible bags match seller text as Betsey Johnson, PINK Victoria's Secret and unbranded synthetics",
                    "Condition: mixed - one NWT, one new, others used Good to Very Good per seller; photos show surface wear but cluttered lot views limit grading"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17782,
            "output_tokens": 978,
            "total_tokens": 18760,
            "estimated_cost_usd": 0.00946
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18117,
            "output_tokens": 1161,
            "total_tokens": 19278,
            "estimated_cost_usd": 0.004552
        }
    ]
}