Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.69,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.855,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: The bag has a generic structured satchel\/crossbody silhouette with bow-like front strap detail, not a recognizable vintage Coach model.",
        "photo 1: Bright silver-tone hardware and slim rolled handles are inconsistent with most classic vintage Coach glove-tanned bags, which commonly use solid brass hardware.",
        "photo 1: The smooth, uniform leather-like surface appears more consistent with synthetic or coated material than vintage full-grain glove-tanned cowhide.",
        "photo 1: No legible Coach wordmark, horse-and-carriage mark, creed patch, serial\/style number, or Coach hangtag is visible.",
        "photo 1: The product-style studio image and pristine presentation suggest a modern mass-market listing rather than a vintage bag.",
        "photo 1: no COACH wordmark, creed patch, hangtag, or horse-and-carriage visible",
        "photo 1: modern structured satchel silhouette with center bow-tab detail, not a vintage Coach catalog silhouette",
        "photo 1: bright silver-tone rectangular bar hardware, not vintage solid brass turnlock\/buckle\/dogleash hardware",
        "photo 1: smooth uniform coated faux-like leather with dark painted edges, not glove-tanned full-grain with suede-back interior",
        "photo 1: small non-Coach brand text stamped low on front center",
        "photo 1: thin detachable crossbody strap on small D-rings, not buckle-adjustable or dogleash-clip Coach construction"
    ],
    "missing_information": [
        "photo 1 is the only usable view; request interior, bottom, side, strap, hardware, and label photos if further review is desired.",
        "No interior view showing a creed patch, fabric label, or material composition.",
        "No close-up of the tiny front wordmark or any interior branding.",
        "photo 1 only front view: no interior, creed, bottom, side, back views shown",
        "no creed close-up to transcribe",
        "no hardware engraving or zipper brand visible",
        "no lining view"
    ],
    "authenticity_concerns": [
        "photo 1: The generic modern construction and absence of Coach identifiers provide no support for Coach manufacture; it appears to be a non-Coach lookalike or unrelated unbranded bag.",
        "photo 1: The smooth uniform material and plated silver-tone hardware would be inconsistent with a purported vintage classic Coach bag."
    ],
    "possible_model_reasoning": [
        "photo 1 construction and materials inconsistent with any vintage Coach era: silver hardware, coated synthetic-like leather, modern satchel shape point to modern fast-fashion, non-Coach",
        "no hard identifiers (creed, serial, wordmark, turnlock, hangtag) visible to support Court\/Station\/Willis or other classic match",
        "Condition: appears New-like in front view but only one view shown so no grade can be assigned"
    ],
    "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: Bright silver-tone rectangular handle mounts, rings, and strap hardware; no Coach engraving is legible.",
        "leather_description": "photo 1: Smooth, highly uniform pale blush\/beige leather-like exterior; likely synthetic or coated material, but composition cannot be confirmed from the photo.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Two rolled top handles plus a detachable-looking long shoulder strap attached at side rings; matching light-colored strap with visible machine stitching.",
        "stitching_description": "photo 1: Visible dark contrasting edge stitching appears generally straight and even; construction looks mass-market modern."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0012,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: The bag has a generic structured satchel\/crossbody silhouette with bow-like front strap detail, not a recognizable vintage Coach model.",
                    "photo 1: Bright silver-tone hardware and slim rolled handles are inconsistent with most classic vintage Coach glove-tanned bags, which commonly use solid brass hardware.",
                    "photo 1: The smooth, uniform leather-like surface appears more consistent with synthetic or coated material than vintage full-grain glove-tanned cowhide.",
                    "photo 1: No legible Coach wordmark, horse-and-carriage mark, creed patch, serial\/style number, or Coach hangtag is visible.",
                    "photo 1: The product-style studio image and pristine presentation suggest a modern mass-market listing rather than a vintage bag."
                ],
                "missing_information": [
                    "photo 1 is the only usable view; request interior, bottom, side, strap, hardware, and label photos if further review is desired.",
                    "No interior view showing a creed patch, fabric label, or material composition.",
                    "No close-up of the tiny front wordmark or any interior branding."
                ],
                "authenticity_concerns": [
                    "photo 1: The generic modern construction and absence of Coach identifiers provide no support for Coach manufacture; it appears to be a non-Coach lookalike or unrelated unbranded bag.",
                    "photo 1: The smooth uniform material and plated silver-tone hardware would be inconsistent with a purported vintage classic Coach bag."
                ],
                "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: Bright silver-tone rectangular handle mounts, rings, and strap hardware; no Coach engraving is legible.",
                    "leather_description": "photo 1: Smooth, highly uniform pale blush\/beige leather-like exterior; likely synthetic or coated material, but composition cannot be confirmed from the photo.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Two rolled top handles plus a detachable-looking long shoulder strap attached at side rings; matching light-colored strap with visible machine stitching.",
                    "stitching_description": "photo 1: Visible dark contrasting edge stitching appears generally straight and even; construction looks mass-market modern."
                },
                "possible_model_reasoning": [],
                "confidence": 0.86,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "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": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1 only front view: no interior, creed, bottom, side, back views shown",
                    "no creed close-up to transcribe",
                    "no hardware engraving or zipper brand visible",
                    "no lining view"
                ],
                "negative_evidence": [
                    "photo 1: no COACH wordmark, creed patch, hangtag, or horse-and-carriage visible",
                    "photo 1: modern structured satchel silhouette with center bow-tab detail, not a vintage Coach catalog silhouette",
                    "photo 1: bright silver-tone rectangular bar hardware, not vintage solid brass turnlock\/buckle\/dogleash hardware",
                    "photo 1: smooth uniform coated faux-like leather with dark painted edges, not glove-tanned full-grain with suede-back interior",
                    "photo 1: small non-Coach brand text stamped low on front center",
                    "photo 1: thin detachable crossbody strap on small D-rings, not buckle-adjustable or dogleash-clip Coach construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone rectangular bar hardware at top-handle bases and D-rings for crossbody strap; no turnlock",
                    "leather_description": "smooth uniform light beige\/taupe leather-look material with slight sheen and dark painted edges; appears synthetic\/coated, not glove-tanned",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "fine edge stitching around front tab and along strap; no detailed stitching visible",
                    "strap_construction": "two short rolled top handles plus thin detachable crossbody shoulder strap",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 construction and materials inconsistent with any vintage Coach era: silver hardware, coated synthetic-like leather, modern satchel shape point to modern fast-fashion, non-Coach",
                    "no hard identifiers (creed, serial, wordmark, turnlock, hangtag) visible to support Court\/Station\/Willis or other classic match",
                    "Condition: appears New-like in front view but only one view shown so no grade can be assigned"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 15843,
            "output_tokens": 751,
            "total_tokens": 16594,
            "estimated_cost_usd": 0.00814
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16162,
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}