Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.79,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.89,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: black multi-compartment shoulder bag has a generic contemporary silhouette with multiple external zippers and no visible Coach branding.",
        "photo 2: material appears smooth synthetic\/faux leather, consistent with the seller's description of fake leather.",
        "photo 4: interior uses printed polyester-like chevron lining, not the unlined suede interior typical of many vintage Coach classics.",
        "photos 1-6: no visible creed patch, Coach wordmark, horse-and-carriage, hangtag, or recognizable vintage Coach hardware.",
        "photos 1-6: gold-tone zipper pulls and hardware are modern-looking and do not show identifiable Coach markings.",
        "photo 1-3: seller-stated fake leather with pebbled-embossed PU sheen, not glove-tanned cowhide",
        "photo 4-6: black-white herringbone printed polyester lining, never used on vintage Coach classics",
        "photo 1-3: modern multi-zip crossbody silhouette with exterior zip pocket and riveted side pockets, no Coach catalog match",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 2-3: bright gold-tone plated rectangular zipper pulls, not vintage solid brass Talon\/YKK"
    ],
    "missing_information": [
        "photo 1-6: no clear view of every interior wall or seam label; a hidden brand tag cannot be fully excluded.",
        "photo 1-6: no close-up of zipper-pull backs or hardware engravings, although none are visibly branded.",
        "photo 1-6: bottom, strap attachment points, and all exterior panels are not comprehensively shown.",
        "bottom and corner close-ups not shown to refine condition grade"
    ],
    "authenticity_concerns": [
        "photos 1-6: synthetic-looking construction and printed lining are inconsistent with the classic glove-tanned, typically unlined vintage Coach population.",
        "photos 1-6: absence of any Coach identifier, combined with generic construction, strongly favors a non-Coach lookalike or unbranded fashion bag.",
        "photo 2-6: faux \/ PU material and printed polyester lining are incompatible with vintage Coach glove-tanned construction",
        "photo 1-3: bright gold-tone plated zippers and thin crossbody strap hardware inconsistent with vintage solid brass"
    ],
    "possible_model_reasoning": [
        "photos 1-6: silhouette is a modern multi-zip crossbody\/shoulder purse, not a close match for the listed vintage Coach classic models.",
        "photos 4-6: patterned fabric lining and multiple zip compartments support a modern mass-market bag rather than a pre-2000 unlined Coach classic.",
        "Condition: Very Good based on clean visible exterior and intact-looking hardware; interior and bottom are shown only partially, and odor cannot be assessed.",
        "No Coach model fits: multi-zip faux-leather crossbody with synthetic lining and plated hardware does not match any vintage Coach catalog style",
        "Era reasoning: materials, lining print, hardware finish and silhouette are modern fast-fashion, 2000s+ non-Coach",
        "Condition: Very Good to Excellent for what it is; surface looks clean in photos 1-2, interior clean in photos 4-6, bottom not 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": "photos 1-6: gold-tone zipper hardware and rectangular pull tabs; no visible branding or turnlock.",
        "leather_description": "photos 1-6: smooth black material with a synthetic or faux-leather appearance; seller states fake leather.",
        "lining_description": "photos 4-6: light fabric lining with repeated black-and-white chevron pattern; appears synthetic.",
        "strap_construction": "photos 1 and 3: long narrow adjustable shoulder strap attached with small rings and buckle hardware; no detachable Coach-style dogleash clips visible.",
        "stitching_description": "photos 1-6: visible machine stitching appears generally even; construction is contemporary and generic."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0012,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: black multi-compartment shoulder bag has a generic contemporary silhouette with multiple external zippers and no visible Coach branding.",
                    "photo 2: material appears smooth synthetic\/faux leather, consistent with the seller's description of fake leather.",
                    "photo 4: interior uses printed polyester-like chevron lining, not the unlined suede interior typical of many vintage Coach classics.",
                    "photos 1-6: no visible creed patch, Coach wordmark, horse-and-carriage, hangtag, or recognizable vintage Coach hardware.",
                    "photos 1-6: gold-tone zipper pulls and hardware are modern-looking and do not show identifiable Coach markings."
                ],
                "missing_information": [
                    "photo 1-6: no clear view of every interior wall or seam label; a hidden brand tag cannot be fully excluded.",
                    "photo 1-6: no close-up of zipper-pull backs or hardware engravings, although none are visibly branded.",
                    "photo 1-6: bottom, strap attachment points, and all exterior panels are not comprehensively shown."
                ],
                "authenticity_concerns": [
                    "photos 1-6: synthetic-looking construction and printed lining are inconsistent with the classic glove-tanned, typically unlined vintage Coach population.",
                    "photos 1-6: absence of any Coach identifier, combined with generic construction, strongly favors a non-Coach lookalike or unbranded fashion 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": "photos 1-6: gold-tone zipper hardware and rectangular pull tabs; no visible branding or turnlock.",
                    "leather_description": "photos 1-6: smooth black material with a synthetic or faux-leather appearance; seller states fake leather.",
                    "lining_description": "photos 4-6: light fabric lining with repeated black-and-white chevron pattern; appears synthetic.",
                    "strap_construction": "photos 1 and 3: long narrow adjustable shoulder strap attached with small rings and buckle hardware; no detachable Coach-style dogleash clips visible.",
                    "stitching_description": "photos 1-6: visible machine stitching appears generally even; construction is contemporary and generic."
                },
                "possible_model_reasoning": [
                    "photos 1-6: silhouette is a modern multi-zip crossbody\/shoulder purse, not a close match for the listed vintage Coach classic models.",
                    "photos 4-6: patterned fabric lining and multiple zip compartments support a modern mass-market bag rather than a pre-2000 unlined Coach classic.",
                    "Condition: Very Good based on clean visible exterior and intact-looking hardware; interior and bottom are shown only partially, and odor cannot be assessed."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 2-6: faux \/ PU material and printed polyester lining are incompatible with vintage Coach glove-tanned construction",
                    "photo 1-3: bright gold-tone plated zippers and thin crossbody strap hardware inconsistent with vintage solid brass"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "bottom and corner close-ups not shown to refine condition grade"
                ],
                "negative_evidence": [
                    "photo 1-3: seller-stated fake leather with pebbled-embossed PU sheen, not glove-tanned cowhide",
                    "photo 4-6: black-white herringbone printed polyester lining, never used on vintage Coach classics",
                    "photo 1-3: modern multi-zip crossbody silhouette with exterior zip pocket and riveted side pockets, no Coach catalog match",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 2-3: bright gold-tone plated rectangular zipper pulls, not vintage solid brass Talon\/YKK"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated zippers with rectangular pulls, small rivets and strap rings; lightweight plated appearance, not solid brass",
                    "leather_description": "black faux \/ PU leather with embossed pebble grain and synthetic sheen, as stated by seller",
                    "lining_description": "black-white herringbone printed polyester fabric in all compartments shown in photos 4-6",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching with matching black thread, visible around pockets and top edge",
                    "strap_construction": "thin flat faux-leather adjustable crossbody strap with buckle slide and small metal rings",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: multi-zip faux-leather crossbody with synthetic lining and plated hardware does not match any vintage Coach catalog style",
                    "Era reasoning: materials, lining print, hardware finish and silhouette are modern fast-fashion, 2000s+ non-Coach",
                    "Condition: Very Good to Excellent for what it is; surface looks clean in photos 1-2, interior clean in photos 4-6, bottom not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18086,
            "output_tokens": 747,
            "total_tokens": 18833,
            "estimated_cost_usd": 0.009027
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18636,
            "output_tokens": 1215,
            "total_tokens": 19851,
            "estimated_cost_usd": 0.004699
        }
    ]
}