Vintage Coach Hunter

{
    "is_handbag_probability": 0.94,
    "coach_probability": 0.03,
    "vintage_probability": 0.34,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.71,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.775,
    "recommended_max_bid": 12,
    "estimated_resale_low": 10,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: compact leather-like crossbody\/belt-bag silhouette and brown leather appearance are compatible with a handbag, but not specifically with Coach",
        "photo 4: YKK zipper is visible, consistent with a commercially manufactured bag but not a Coach identifier",
        "photo 1-3: soft brown leather-like fanny-pack with patina-like slouch could be older secondhand leather bag",
        "photo 1,4: YKK zippers - YKK was used by Coach in 1990s, so not inconsistent alone, but weak evidence"
    ],
    "negative_evidence": [
        "photo 1: no visible Coach wordmark, horse-and-carriage, or leather hangtag",
        "photo 2: no visible Coach branding or creed patch",
        "photo 4: back panel shows generic construction without a Coach identifier",
        "photo 5: dark fabric lining is visible; this does not match the classic unlined glove-tanned construction of many vintage Coach bags",
        "photo 1: ITW Nexus-style plastic side-release buckle is visible, which is generic outdoor\/accessory hardware rather than evidence of Coach manufacture",
        "photo 1-4: black plastic ITW Nexus side-release buckle on belt - vintage Coach classics use solid brass hardware, not plastic",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 1-4: fanny-pack silhouette with multiple zip compartments and fabric belt strap does not match catalog Coach classics",
        "photo 5-6: dark fabric lining visible in open pocket; no suede-back unlined glove-tanned interior or creed shown"
    ],
    "missing_information": [
        "Straight-on close-up of the seller-mentioned tag, filling the frame and in focus",
        "Interior wall, pockets, seams, and all labels shown clearly",
        "Close-ups of every zipper pull and hardware component",
        "Material close-up or seller confirmation of whether the exterior is genuine leather",
        "Dimensions and a clear photo of the bottom, strap attachment points, and edge construction",
        "photo of interior tag seller mentions but did not include - close-up straight-on in raking light",
        "creed patch \/ interior back wall not shown - request emptied interior views",
        "hardware stamps \/ YKK pull detail and ITW Nexus buckle close-up",
        "bottom \/ corners \/ strap fold condition views"
    ],
    "authenticity_concerns": [],
    "possible_model_reasoning": [
        "The silhouette is a generic multi-compartment belt bag\/fanny pack, not a close match to the listed classic Coach handbag models.",
        "No visible creed, serial\/style number, wordmark, or hangtag supports identifying it as Coach.",
        "The seller's mention of a tag is unverified because its text cannot be read in the provided photos.",
        "Condition: Good to Very Good; visible creasing and wear are present, but no major tears or broken hardware are apparent. Odor and hidden interior defects are unknown.",
        "No Coach model fits: plastic buckle, zip-compartment fanny construction and lack of turnlock, brass hardware, creed or hangtag inconsistent with 1980s-1990s Coach classics",
        "Condition: Very Good to Good based on exterior - surface looks intact with light creasing\/slouch (photo 1-4), no corner wear visible for this style, interior and strap fold not fully shown so 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: dark plastic side-release buckle; photos 1 and 3: small metal zipper pulls, with no visible Coach engraving",
        "leather_description": "photos 1, 3, and 4: brown smooth-to-lightly textured leather-like exterior with visible creasing; genuine leather is not confirmable from photos",
        "lining_description": "photos 5 and 6: dark fabric or textile lining visible inside the compartments",
        "strap_construction": "photos 1-3: adjustable long strap with stitched leather-like construction and plastic side-release buckle",
        "stitching_description": "photos 1, 3, and 4: visible perimeter stitching appears generally even; detailed stitch quality at stress points is not fully assessable"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0025,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.28,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: compact leather-like crossbody\/belt-bag silhouette and brown leather appearance are compatible with a handbag, but not specifically with Coach",
                    "photo 4: YKK zipper is visible, consistent with a commercially manufactured bag but not a Coach identifier"
                ],
                "negative_evidence": [
                    "photo 1: no visible Coach wordmark, horse-and-carriage, or leather hangtag",
                    "photo 2: no visible Coach branding or creed patch",
                    "photo 4: back panel shows generic construction without a Coach identifier",
                    "photo 5: dark fabric lining is visible; this does not match the classic unlined glove-tanned construction of many vintage Coach bags",
                    "photo 1: ITW Nexus-style plastic side-release buckle is visible, which is generic outdoor\/accessory hardware rather than evidence of Coach manufacture"
                ],
                "missing_information": [
                    "Straight-on close-up of the seller-mentioned tag, filling the frame and in focus",
                    "Interior wall, pockets, seams, and all labels shown clearly",
                    "Close-ups of every zipper pull and hardware component",
                    "Material close-up or seller confirmation of whether the exterior is genuine leather",
                    "Dimensions and a clear photo of the bottom, strap attachment points, and edge construction"
                ],
                "authenticity_concerns": [],
                "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: dark plastic side-release buckle; photos 1 and 3: small metal zipper pulls, with no visible Coach engraving",
                    "leather_description": "photos 1, 3, and 4: brown smooth-to-lightly textured leather-like exterior with visible creasing; genuine leather is not confirmable from photos",
                    "lining_description": "photos 5 and 6: dark fabric or textile lining visible inside the compartments",
                    "strap_construction": "photos 1-3: adjustable long strap with stitched leather-like construction and plastic side-release buckle",
                    "stitching_description": "photos 1, 3, and 4: visible perimeter stitching appears generally even; detailed stitch quality at stress points is not fully assessable"
                },
                "possible_model_reasoning": [
                    "The silhouette is a generic multi-compartment belt bag\/fanny pack, not a close match to the listed classic Coach handbag models.",
                    "No visible creed, serial\/style number, wordmark, or hangtag supports identifying it as Coach.",
                    "The seller's mention of a tag is unverified because its text cannot be read in the provided photos.",
                    "Condition: Good to Very Good; visible creasing and wear are present, but no major tears or broken hardware are apparent. Odor and hidden interior defects are unknown."
                ],
                "confidence": 0.77,
                "recommended_max_bid": 12,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.9,
                "missing_information": [
                    "photo of interior tag seller mentions but did not include - close-up straight-on in raking light",
                    "creed patch \/ interior back wall not shown - request emptied interior views",
                    "hardware stamps \/ YKK pull detail and ITW Nexus buckle close-up",
                    "bottom \/ corners \/ strap fold condition views"
                ],
                "negative_evidence": [
                    "photo 1-4: black plastic ITW Nexus side-release buckle on belt - vintage Coach classics use solid brass hardware, not plastic",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 1-4: fanny-pack silhouette with multiple zip compartments and fabric belt strap does not match catalog Coach classics",
                    "photo 5-6: dark fabric lining visible in open pocket; no suede-back unlined glove-tanned interior or creed shown"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "dark-tone metal YKK zippers on front, top and back pockets (photo 1-4); black plastic ITW Nexus side-release buckle on belt strap (per seller text, visible photo 1-3)",
                    "leather_description": "dark brown \/ burgundy-brown soft-appearing leather or leather-like material, smooth with some slouch; seller unsure if real leather",
                    "lining_description": "dark fabric lining glimpsed inside open compartments photo 5-6, details not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "topstitching visible along flap\/pocket edges photo 6, even but not clearly matched-thread Coach construction; no detailed stitch close-up",
                    "strap_construction": "narrow waist\/belt strap in same brown material with black plastic side-release buckle, sewn fixed to bag sides",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-3: soft brown leather-like fanny-pack with patina-like slouch could be older secondhand leather bag",
                    "photo 1,4: YKK zippers - YKK was used by Coach in 1990s, so not inconsistent alone, but weak evidence"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: plastic buckle, zip-compartment fanny construction and lack of turnlock, brass hardware, creed or hangtag inconsistent with 1980s-1990s Coach classics",
                    "Condition: Very Good to Good based on exterior - surface looks intact with light creasing\/slouch (photo 1-4), no corner wear visible for this style, interior and strap fold not fully shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.4
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18162,
            "output_tokens": 928,
            "total_tokens": 19090,
            "estimated_cost_usd": 0.009492
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18713,
            "output_tokens": 1270,
            "total_tokens": 19983,
            "estimated_cost_usd": 0.004759
        }
    ]
}