Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.025,
    "vintage_probability": 0.035,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.69,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.84,
    "recommended_max_bid": 8,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: it is a leather-like shoulder handbag, the population where misidentified bags could hide - very weak general similarity only"
    ],
    "negative_evidence": [
        "photo 1: no visible COACH wordmark, horse-and-carriage, creed patch, or recognizable Coach hardware.",
        "photo 1: fringe crossbody silhouette and decorative strap construction appear generic rather than a documented classic Coach model.",
        "photo 1: hardware is silver-tone, whereas many vintage Coach classics use solid brass hardware.",
        "photo 2: black textile lining is clearly visible, inconsistent with the unlined suede interiors common to classic glove-tanned Coach bags.",
        "photo 2: no creed patch, fabric Coach tag, or style-number tag is visible.",
        "photo 1: western fringe hobo silhouette with long side and bottom fringe - no matching vintage Coach catalog style",
        "photo 1: silver-tone zipper and strap rings, not solid brass vintage Coach hardware",
        "photo 2: black shiny synthetic fabric lining, not unlined suede-back glove-tanned leather of vintage classics",
        "photo 1-2: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 1: thin suede-like material with narrow adjustable strap, inconsistent with heavy glove-tanned leather and brass dogleash construction"
    ],
    "missing_information": [
        "photo 1: close-up of the entire exterior, including any concealed labels or branding.",
        "photo 2: close-up of all interior walls, pockets, and seams for a maker label or fabric tag.",
        "photo 1: close-ups of zipper pulls, strap clips, and other hardware.",
        "photo 1: bottom, side, and strap-anchor views.",
        "photo 1-2 only: no front\/back\/bottom close-ups, no creed patch view, no hangtag or hardware stamp views",
        "interior fabric tag \/ made-in label not shown (photo 2: lining shown but no tag visible)",
        "hardware brand stamps and strap attachment detail not shown"
    ],
    "authenticity_concerns": [
        "photo 1: generic fringe design with no visible Coach identifier provides little evidence of Coach manufacture.",
        "photo 2: textile-lined construction and silver-tone hardware do not fit the expected construction of a classic vintage Coach leather bag."
    ],
    "possible_model_reasoning": [
        "photo 1: the crescent crossbody shape and extensive fringe do not closely match the listed classic Coach silhouettes; no Coach model is proposed.",
        "photo 2: visible textile lining and the absence of an identifier support treating this as a generic modern fringe purse rather than vintage Coach.",
        "Condition: Very Good based on the visible exterior and intact-looking fringe; bottom, corners, strap folds, odor, and hidden wear are not fully shown.",
        "No Coach model matches: fringe western hobo with exterior zip pocket and fabric lining has no counterpart in Classic glove-tanned catalog (City Bag, Dinky, Court, Willis, Station, etc. all have turnlock flap and brass hardware)",
        "Era reasoning: synthetic lining + silver-tone hardware + fringe fast-fashion styling points to modern (2000s+) non-Coach manufacture",
        "Condition: Good to Very Good based on limited views - fringe appears intact (photo 1), lining appears intact without visible stains (photo 2); bottom corners, strap fold, odor\/mold 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: silver-tone ring and clip hardware are visible; no Coach engraving is legible. A small silver-tone zipper pull is visible.",
        "leather_description": "photo 1: burgundy\/maroon suede-like or brushed material is visible; exact material cannot be confirmed from photos.",
        "lining_description": "photo 2: black textile lining with a zippered interior and an additional dark pocket or divider is visible.",
        "strap_construction": "photo 1: long adjustable shoulder strap attached at both sides with ring-and-clip hardware; fringe hangs from the lower and side edges.",
        "stitching_description": "photo 1: visible perimeter stitching appears generally even; fine stitch quality and stress points are not shown closely enough for authentication."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.003,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.04,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.83,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: no visible COACH wordmark, horse-and-carriage, creed patch, or recognizable Coach hardware.",
                    "photo 1: fringe crossbody silhouette and decorative strap construction appear generic rather than a documented classic Coach model.",
                    "photo 1: hardware is silver-tone, whereas many vintage Coach classics use solid brass hardware.",
                    "photo 2: black textile lining is clearly visible, inconsistent with the unlined suede interiors common to classic glove-tanned Coach bags.",
                    "photo 2: no creed patch, fabric Coach tag, or style-number tag is visible."
                ],
                "missing_information": [
                    "photo 1: close-up of the entire exterior, including any concealed labels or branding.",
                    "photo 2: close-up of all interior walls, pockets, and seams for a maker label or fabric tag.",
                    "photo 1: close-ups of zipper pulls, strap clips, and other hardware.",
                    "photo 1: bottom, side, and strap-anchor views."
                ],
                "authenticity_concerns": [
                    "photo 1: generic fringe design with no visible Coach identifier provides little evidence of Coach manufacture.",
                    "photo 2: textile-lined construction and silver-tone hardware do not fit the expected construction of a classic vintage Coach leather 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: silver-tone ring and clip hardware are visible; no Coach engraving is legible. A small silver-tone zipper pull is visible.",
                    "leather_description": "photo 1: burgundy\/maroon suede-like or brushed material is visible; exact material cannot be confirmed from photos.",
                    "lining_description": "photo 2: black textile lining with a zippered interior and an additional dark pocket or divider is visible.",
                    "strap_construction": "photo 1: long adjustable shoulder strap attached at both sides with ring-and-clip hardware; fringe hangs from the lower and side edges.",
                    "stitching_description": "photo 1: visible perimeter stitching appears generally even; fine stitch quality and stress points are not shown closely enough for authentication."
                },
                "possible_model_reasoning": [
                    "photo 1: the crescent crossbody shape and extensive fringe do not closely match the listed classic Coach silhouettes; no Coach model is proposed.",
                    "photo 2: visible textile lining and the absence of an identifier support treating this as a generic modern fringe purse rather than vintage Coach.",
                    "Condition: Very Good based on the visible exterior and intact-looking fringe; bottom, corners, strap folds, odor, and hidden wear are not fully shown."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.82,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo 1-2 only: no front\/back\/bottom close-ups, no creed patch view, no hangtag or hardware stamp views",
                    "interior fabric tag \/ made-in label not shown (photo 2: lining shown but no tag visible)",
                    "hardware brand stamps and strap attachment detail not shown"
                ],
                "negative_evidence": [
                    "photo 1: western fringe hobo silhouette with long side and bottom fringe - no matching vintage Coach catalog style",
                    "photo 1: silver-tone zipper and strap rings, not solid brass vintage Coach hardware",
                    "photo 2: black shiny synthetic fabric lining, not unlined suede-back glove-tanned leather of vintage classics",
                    "photo 1-2: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 1: thin suede-like material with narrow adjustable strap, inconsistent with heavy glove-tanned leather and brass dogleash construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone zipper teeth and pull on exterior back pocket (photo 1) and top zipper (photo 2); small silver-tone rings at strap attachments; tone and finish inconsistent with 1970s-1990s solid brass",
                    "leather_description": "brown suede-like material with fringe trim on sides and bottom (photo 1); texture appears thin suede or faux-suede, not smooth glove-tanned cowhide",
                    "lining_description": "black lightweight synthetic fabric lining visible inside zip compartment (photo 2), wrinkled; not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - stitching detail not legible in provided resolution",
                    "strap_construction": "narrow flat shoulder\/crossbody strap in same brown material, adjustable with metal slider (photo 1); thin, not buckle-adjustable bridle strap with brass hardware",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: it is a leather-like shoulder handbag, the population where misidentified bags could hide - very weak general similarity only"
                ],
                "possible_model_reasoning": [
                    "No Coach model matches: fringe western hobo with exterior zip pocket and fabric lining has no counterpart in Classic glove-tanned catalog (City Bag, Dinky, Court, Willis, Station, etc. all have turnlock flap and brass hardware)",
                    "Era reasoning: synthetic lining + silver-tone hardware + fringe fast-fashion styling points to modern (2000s+) non-Coach manufacture",
                    "Condition: Good to Very Good based on limited views - fringe appears intact (photo 1), lining appears intact without visible stains (photo 2); bottom corners, strap fold, odor\/mold unknown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
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            "output_tokens": 735,
            "total_tokens": 16813,
            "estimated_cost_usd": 0.008195
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16449,
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}