Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.845,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.94,
    "recommended_max_bid": 10,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the bag is explicitly described as PU leather and appears to have a soft synthetic, heavily wrinkled finish rather than vintage glove-tanned cowhide.",
        "photo 3: multiple small silver-tone zipper pulls and generic zipper construction are visible; no Coach-specific turnlock or vintage brass hardware is shown.",
        "photo 4: the bag has numerous utility zippers and compartments typical of a modern generic crossbody, not a recognizable vintage Coach silhouette.",
        "photo 6: a fabric-lined, multi-compartment interior is visible; classic vintage Coach glove-tanned styles are commonly unlined suede-backed leather.",
        "photo 1 and listing text: no Coach branding, creed, hangtag, horse-and-carriage, or style identifier is visible or claimed.",
        "photo 2,3,4,5: modern mass-market multi-zip crossbody silhouette with 2-3 exterior zip pockets, never a vintage Coach catalog silhouette",
        "photo 6: dark cotton fabric lining, not unlined suede-back glove-tanned leather",
        "seller text states Fabric Type: Pu Leather \/ washed PU leather, lightweight 4.97 ounces - faux leather excludes vintage Coach",
        "photo 3,5: silver-tone \/ nickel hardware with modern zipper pulls, not solid brass vintage hardware",
        "photos 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag, no turnlock visible"
    ],
    "missing_information": [
        "A straight-on interior photo of the back wall and any sewn-in brand or creed patch, although the visible interior provides no indication one is present.",
        "Close-ups of all hardware and zipper pulls, if brand markings are suspected.",
        "A photo of the full strap attachment points and interior labels.",
        "No creed patch or Coach identifier visible in photos 1-6; close-up of interior patch not provided but not needed given PU material",
        "Hardware brand stamps and hangtag faces not shown in close-up"
    ],
    "authenticity_concerns": [
        "The listed PU construction is inconsistent with the leather and construction expected of the vintage Coach styles this tool is intended to identify.",
        "The modern utility layout, silver-tone hardware, synthetic-looking material, and fabric lining are consistent with a generic unbranded bag rather than Coach.",
        "No Coach identifier is visible in the provided photos."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the bag is a modern soft, multi-zip utility crossbody with PU material and fabric lining, unlike the catalogued vintage Coach leather silhouettes.",
        "Condition: Like New\/Excellent in the stock-style photos, but actual used condition cannot be established because the images appear to be product photos rather than buyer-specific photos.",
        "No Coach model fits: multi-zipper PU crossbody with cotton lining and silver zippers is inconsistent with all Classic glove-tanned era styles (City Bag 9790, Court 9870, Willis 9927, etc.) which are unlined, brass hardware, turnlock flap",
        "Era reasoning: PU material, cotton lining, plated zippers and infographic stock-style photos indicate modern (2000s+) non-Coach fast-fashion bag",
        "Condition: appears new\/unused catalog product photos; no wear visible, but condition irrelevant to Coach value as not Coach"
    ],
    "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": "Silver-tone zipper hardware, adjustment buckle, rings, and lobster-style strap clips are visible; no Coach engraving is visible.",
        "leather_description": "Blue distressed, wrinkled material described by the seller as washed PU leather; it does not visibly resemble full-grain glove-tanned leather.",
        "lining_description": "Dark fabric lining is visible in the open-compartment photo.",
        "strap_construction": "Long adjustable synthetic-looking shoulder strap with silver-tone clips and buckle; two-layer construction is stated in the listing and visually suggested by the strap.",
        "stitching_description": "Machine stitching appears generally even on the exterior panels; no distinctive Coach construction feature is visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0013,
    "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": 0.94,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag is explicitly described as PU leather and appears to have a soft synthetic, heavily wrinkled finish rather than vintage glove-tanned cowhide.",
                    "photo 3: multiple small silver-tone zipper pulls and generic zipper construction are visible; no Coach-specific turnlock or vintage brass hardware is shown.",
                    "photo 4: the bag has numerous utility zippers and compartments typical of a modern generic crossbody, not a recognizable vintage Coach silhouette.",
                    "photo 6: a fabric-lined, multi-compartment interior is visible; classic vintage Coach glove-tanned styles are commonly unlined suede-backed leather.",
                    "photo 1 and listing text: no Coach branding, creed, hangtag, horse-and-carriage, or style identifier is visible or claimed."
                ],
                "missing_information": [
                    "A straight-on interior photo of the back wall and any sewn-in brand or creed patch, although the visible interior provides no indication one is present.",
                    "Close-ups of all hardware and zipper pulls, if brand markings are suspected.",
                    "A photo of the full strap attachment points and interior labels."
                ],
                "authenticity_concerns": [
                    "The listed PU construction is inconsistent with the leather and construction expected of the vintage Coach styles this tool is intended to identify.",
                    "The modern utility layout, silver-tone hardware, synthetic-looking material, and fabric lining are consistent with a generic unbranded bag rather than Coach.",
                    "No Coach identifier is visible in the provided photos."
                ],
                "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": "Silver-tone zipper hardware, adjustment buckle, rings, and lobster-style strap clips are visible; no Coach engraving is visible.",
                    "leather_description": "Blue distressed, wrinkled material described by the seller as washed PU leather; it does not visibly resemble full-grain glove-tanned leather.",
                    "lining_description": "Dark fabric lining is visible in the open-compartment photo.",
                    "strap_construction": "Long adjustable synthetic-looking shoulder strap with silver-tone clips and buckle; two-layer construction is stated in the listing and visually suggested by the strap.",
                    "stitching_description": "Machine stitching appears generally even on the exterior panels; no distinctive Coach construction feature is visible."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the bag is a modern soft, multi-zip utility crossbody with PU material and fabric lining, unlike the catalogued vintage Coach leather silhouettes.",
                    "Condition: Like New\/Excellent in the stock-style photos, but actual used condition cannot be established because the images appear to be product photos rather than buyer-specific photos."
                ],
                "confidence": 0.96,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 20
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.92,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No creed patch or Coach identifier visible in photos 1-6; close-up of interior patch not provided but not needed given PU material",
                    "Hardware brand stamps and hangtag faces not shown in close-up"
                ],
                "negative_evidence": [
                    "photo 2,3,4,5: modern mass-market multi-zip crossbody silhouette with 2-3 exterior zip pockets, never a vintage Coach catalog silhouette",
                    "photo 6: dark cotton fabric lining, not unlined suede-back glove-tanned leather",
                    "seller text states Fabric Type: Pu Leather \/ washed PU leather, lightweight 4.97 ounces - faux leather excludes vintage Coach",
                    "photo 3,5: silver-tone \/ nickel hardware with modern zipper pulls, not solid brass vintage hardware",
                    "photos 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag, no turnlock visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone zipper pulls and rectangular strap buckle; lightweight plated appearance, not solid brass; no COACH stamping visible",
                    "leather_description": "smooth blue washed-look PU faux leather with wrinkled finish; not glove-tanned cowhide; seller states PU leather",
                    "lining_description": "dark grey\/black cotton fabric lining visible in photo 6 interior view; not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching with matching thread, multiple exterior panel seams and zip channels; no vintage Coach stress-point detailing visible",
                    "strap_construction": "flat adjustable crossbody\/shoulder strap with metal buckle slider and swivel clips, 2-layer thickened design per seller",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: multi-zipper PU crossbody with cotton lining and silver zippers is inconsistent with all Classic glove-tanned era styles (City Bag 9790, Court 9870, Willis 9927, etc.) which are unlined, brass hardware, turnlock flap",
                    "Era reasoning: PU material, cotton lining, plated zippers and infographic stock-style photos indicate modern (2000s+) non-Coach fast-fashion bag",
                    "Condition: appears new\/unused catalog product photos; no wear visible, but condition irrelevant to Coach value as not Coach"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18043,
            "output_tokens": 771,
            "total_tokens": 18814,
            "estimated_cost_usd": 0.009068
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18388,
            "output_tokens": 1492,
            "total_tokens": 19880,
            "estimated_cost_usd": 0.004871
        }
    ]
}