Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.02,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.705,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.815,
    "recommended_max_bid": 8,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: The bag is visibly denim\/canvas with a large shiny silver-tone kiss-lock frame, unlike the solid-brass, leather construction typical of vintage Coach classics.",
        "photo 1: No COACH wordmark, horse-and-carriage, leather hangtag, creed patch, or other Coach identifier is visible.",
        "photo 1: The exposed frame, tan top handle, and detachable shoulder strap appear generic and do not match a recognizable Coach catalog silhouette.",
        "photo 1: Seller labels the item unbranded; this is weak context only and is consistent with the absence of visible branding.",
        "photo 1: denim\/canvas textile body, not glove-tanned cowhide",
        "photo 1: gunmetal \/ nickel-tone plated kisslock frame and fittings, not solid brass vintage hardware",
        "photo 1: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
        "photo 1: fabric crossbody strap with white contrast stitching and buckle slider, inconsistent with vintage Coach leather strap construction"
    ],
    "missing_information": [
        "Interior view, including any leather creed patch, fabric label, or brand stamp.",
        "Close-up of the frame, clasp, hardware, strap attachments, and any zipper or maker markings.",
        "Back, bottom, side, and full strap views.",
        "Seller-stated dimensions and material composition.",
        "photo 1 only: no interior, bottom, creed patch, or hardware stamp views shown",
        "creed \/ interior lining not shown - request emptied interior and close-up of any stamped patch or fabric tag",
        "request close-up of hardware stamps and material tags"
    ],
    "authenticity_concerns": [
        "photo 1: The synthetic-looking denim\/canvas body and bright plated hardware are lookalike construction cues, not typical evidence of a vintage Coach leather handbag.",
        "photo 1: No Coach identifier is visible, so Coach manufacture cannot be supported from this image."
    ],
    "possible_model_reasoning": [
        "photo 1 silhouette is a modern mass-market canvas kisslock frame crossbody; kisslock frames were used by Cashin-era Coach but this material, plated gunmetal frame, fabric strap and contrast stitching do not match any catalog Coach style",
        "no creed, serial, wordmark, hangtag or brass hardware to decode for era; construction points to modern non-Coach",
        "Condition: appears Like New \/ new in photo 1 but only one exterior view, interior and bottom unknown so grade capped"
    ],
    "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: Shiny silver-tone rectangular frame with a central double-ball kiss-lock closure; silver-tone swivel clips and strap adjuster are visible. No Coach engraving is legible.",
        "leather_description": "photo 1: Main body appears blue denim or canvas. The tan top handle appears leather-like or coated material, but composition is not verifiable from the photo.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Detachable blue matching shoulder strap with a metal adjuster and swivel clips; stitching is visible along the strap edges.",
        "stitching_description": "photo 1: White machine stitching is visibly used along the center body seam, body edges, handle, and shoulder strap; no obvious Coach-specific construction detail is visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0036,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "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: The bag is visibly denim\/canvas with a large shiny silver-tone kiss-lock frame, unlike the solid-brass, leather construction typical of vintage Coach classics.",
                    "photo 1: No COACH wordmark, horse-and-carriage, leather hangtag, creed patch, or other Coach identifier is visible.",
                    "photo 1: The exposed frame, tan top handle, and detachable shoulder strap appear generic and do not match a recognizable Coach catalog silhouette.",
                    "photo 1: Seller labels the item unbranded; this is weak context only and is consistent with the absence of visible branding."
                ],
                "missing_information": [
                    "Interior view, including any leather creed patch, fabric label, or brand stamp.",
                    "Close-up of the frame, clasp, hardware, strap attachments, and any zipper or maker markings.",
                    "Back, bottom, side, and full strap views.",
                    "Seller-stated dimensions and material composition."
                ],
                "authenticity_concerns": [
                    "photo 1: The synthetic-looking denim\/canvas body and bright plated hardware are lookalike construction cues, not typical evidence of a vintage Coach leather handbag.",
                    "photo 1: No Coach identifier is visible, so Coach manufacture cannot be supported from this image."
                ],
                "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: Shiny silver-tone rectangular frame with a central double-ball kiss-lock closure; silver-tone swivel clips and strap adjuster are visible. No Coach engraving is legible.",
                    "leather_description": "photo 1: Main body appears blue denim or canvas. The tan top handle appears leather-like or coated material, but composition is not verifiable from the photo.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Detachable blue matching shoulder strap with a metal adjuster and swivel clips; stitching is visible along the strap edges.",
                    "stitching_description": "photo 1: White machine stitching is visibly used along the center body seam, body edges, handle, and shoulder strap; no obvious Coach-specific construction detail is visible."
                },
                "possible_model_reasoning": [],
                "confidence": 0.78,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "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": 0.55,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo 1 only: no interior, bottom, creed patch, or hardware stamp views shown",
                    "creed \/ interior lining not shown - request emptied interior and close-up of any stamped patch or fabric tag",
                    "request close-up of hardware stamps and material tags"
                ],
                "negative_evidence": [
                    "photo 1: denim\/canvas textile body, not glove-tanned cowhide",
                    "photo 1: gunmetal \/ nickel-tone plated kisslock frame and fittings, not solid brass vintage hardware",
                    "photo 1: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
                    "photo 1: fabric crossbody strap with white contrast stitching and buckle slider, inconsistent with vintage Coach leather strap construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gunmetal-tone kisslock frame with ball clasps, frame-attached top handle mounts and crossbody clips",
                    "leather_description": "no glove-tanned leather body; blue denim\/canvas textile body with tan-tone top handle",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "white contrast topstitching on blue textile, center seam double row",
                    "strap_construction": "tan-tone short top handle plus blue textile adjustable crossbody strap with metal buckle",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 silhouette is a modern mass-market canvas kisslock frame crossbody; kisslock frames were used by Cashin-era Coach but this material, plated gunmetal frame, fabric strap and contrast stitching do not match any catalog Coach style",
                    "no creed, serial, wordmark, hangtag or brass hardware to decode for era; construction points to modern non-Coach",
                    "Condition: appears Like New \/ new in photo 1 but only one exterior view, interior and bottom unknown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16825,
            "output_tokens": 707,
            "total_tokens": 17532,
            "estimated_cost_usd": 0.008427
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17225,
            "output_tokens": 1222,
            "total_tokens": 18447,
            "estimated_cost_usd": 0.004423
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    ]
}