Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.02,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.77,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.88,
    "recommended_max_bid": 9,
    "estimated_resale_low": 10,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: bag is constructed from velour\/velvet-like fabric with bright blue fabric edging, not vintage Coach glove-tanned leather.",
        "photo 1: prominent silver-tone rectangular clasp is unlike the elegant solid-brass turnlocks typical of vintage Coach.",
        "photo 1: visible small black fabric label appears to include a Made in China line, though the text is not fully legible.",
        "photo 2: rear construction shows decorative loop hardware and fabric-covered handles rather than a recognizable Coach classic silhouette.",
        "photo 5: interior appears to use synthetic lining and shows no visible Coach creed or wordmark.",
        "photo 1 and photo 2: colorful scarf-wrapped handles and tassels are decorative styling, not Coach identifiers.",
        "photo 1,2,4: brown velour\/plush fabric body, not glove-tanned cowhide or Coach signature canvas",
        "photo 1,2: Birkin-style tote silhouette with sangles and toggle plate, not a Coach catalog silhouette",
        "photo 1,3,4: bright silver-tone hardware with yellow protective stickers on feet and clasp, hollow\/plated modern look, not vintage solid brass",
        "photo 5: dark synthetic fabric lining, no leather creed patch visible on back wall",
        "photo 1-5: no COACH wordmark, horse-and-carriage, leather creed, or leather hangtag visible"
    ],
    "missing_information": [
        "photo 5: clearer, well-lit interior-wall and pocket photographs to confirm whether any brand label or creed is present.",
        "photo 1: close-up of the small black fabric label so the complete text can be read.",
        "photo 3: close-up of the clasp and all hardware for maker markings.",
        "photo 2: full close-ups of stitching, seams, and handle attachments.",
        "No Coach creed or identifier to request - bag materials and silhouette already exclude Coach",
        "Maker fabric tag partially visible in photo 1-2 but illegible; close-up would confirm generic maker"
    ],
    "authenticity_concerns": [
        "photo 1: the visible Made in China-style fabric label and modern synthetic\/velour construction are inconsistent with the classic vintage Coach population.",
        "photo 1 and photo 2: generic decorative hardware and styling provide no Coach-specific evidence; this is best treated as an unbranded contemporary lookalike rather than a Coach bag.",
        "photo 1-5: velour\/plush fabric body and Birkin-style toggle construction inconsistent with any Coach glove-tanned or canvas line",
        "photo 1: silver-tone modern hardware with protective stickers, not vintage solid brass"
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the velour textile, bright silver hardware, scarf-wrapped handles, tassels, and generic tote construction do not correspond to the listed vintage Coach catalog silhouettes.",
        "Condition: appears New\/NWOT based on the seller title and protective stickers on the clasp and feet, although interior and all surfaces are not fully inspectable from the photos.",
        "Not a Coach model: velour Birkin-inspired tote (seller calls Firkin) with modern silver hardware matches generic fast-fashion Birkin lookalike, not any Classic, Sheridan, Soho or modern Coach line",
        "Condition: New\/NWOT as listed with stickers on hardware (photo 3,4); no wear visible but fabric tote has no vintage value"
    ],
    "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": "Bright silver-tone rectangular central clasp with a small rotating post; additional small silver-tone loops and four covered feet are visible. No Coach engraving is visible.",
        "leather_description": "Velour\/velvet-like textile exterior; no leather is visibly established.",
        "lining_description": "Dark synthetic-looking interior lining is visible, but details are low contrast.",
        "strap_construction": "Two short handles wrapped in colorful patterned fabric, with decorative tassels; no Coach-style leather strap is visible.",
        "stitching_description": "Visible perimeter and handle stitching appears machine-sewn and functional; fine stitch quality is not sufficiently clear for detailed assessment."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0007,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.84,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bag is constructed from velour\/velvet-like fabric with bright blue fabric edging, not vintage Coach glove-tanned leather.",
                    "photo 1: prominent silver-tone rectangular clasp is unlike the elegant solid-brass turnlocks typical of vintage Coach.",
                    "photo 1: visible small black fabric label appears to include a Made in China line, though the text is not fully legible.",
                    "photo 2: rear construction shows decorative loop hardware and fabric-covered handles rather than a recognizable Coach classic silhouette.",
                    "photo 5: interior appears to use synthetic lining and shows no visible Coach creed or wordmark.",
                    "photo 1 and photo 2: colorful scarf-wrapped handles and tassels are decorative styling, not Coach identifiers."
                ],
                "missing_information": [
                    "photo 5: clearer, well-lit interior-wall and pocket photographs to confirm whether any brand label or creed is present.",
                    "photo 1: close-up of the small black fabric label so the complete text can be read.",
                    "photo 3: close-up of the clasp and all hardware for maker markings.",
                    "photo 2: full close-ups of stitching, seams, and handle attachments."
                ],
                "authenticity_concerns": [
                    "photo 1: the visible Made in China-style fabric label and modern synthetic\/velour construction are inconsistent with the classic vintage Coach population.",
                    "photo 1 and photo 2: generic decorative hardware and styling provide no Coach-specific evidence; this is best treated as an unbranded contemporary lookalike rather than a 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": true,
                    "hangtag_present": false,
                    "hardware_description": "Bright silver-tone rectangular central clasp with a small rotating post; additional small silver-tone loops and four covered feet are visible. No Coach engraving is visible.",
                    "leather_description": "Velour\/velvet-like textile exterior; no leather is visibly established.",
                    "lining_description": "Dark synthetic-looking interior lining is visible, but details are low contrast.",
                    "strap_construction": "Two short handles wrapped in colorful patterned fabric, with decorative tassels; no Coach-style leather strap is visible.",
                    "stitching_description": "Visible perimeter and handle stitching appears machine-sewn and functional; fine stitch quality is not sufficiently clear for detailed assessment."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the velour textile, bright silver hardware, scarf-wrapped handles, tassels, and generic tote construction do not correspond to the listed vintage Coach catalog silhouettes.",
                    "Condition: appears New\/NWOT based on the seller title and protective stickers on the clasp and feet, although interior and all surfaces are not fully inspectable from the photos."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-5: velour\/plush fabric body and Birkin-style toggle construction inconsistent with any Coach glove-tanned or canvas line",
                    "photo 1: silver-tone modern hardware with protective stickers, not vintage solid brass"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "No Coach creed or identifier to request - bag materials and silhouette already exclude Coach",
                    "Maker fabric tag partially visible in photo 1-2 but illegible; close-up would confirm generic maker"
                ],
                "negative_evidence": [
                    "photo 1,2,4: brown velour\/plush fabric body, not glove-tanned cowhide or Coach signature canvas",
                    "photo 1,2: Birkin-style tote silhouette with sangles and toggle plate, not a Coach catalog silhouette",
                    "photo 1,3,4: bright silver-tone hardware with yellow protective stickers on feet and clasp, hollow\/plated modern look, not vintage solid brass",
                    "photo 5: dark synthetic fabric lining, no leather creed patch visible on back wall",
                    "photo 1-5: no COACH wordmark, horse-and-carriage, leather creed, or leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone Birkin-style toggle plate and base feet with yellow protective stickers still on; bright plated modern finish",
                    "leather_description": "not leather - brown velour\/plush pile fabric with light blue piping trim",
                    "lining_description": "dark brown\/black fabric lining visible in photo 5, no suede or creed patch",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible in detail; edge piping visible, no tight matched leather stitching shown",
                    "strap_construction": "short top handles wrapped in pink floral scarf with tassel charm attached; no brass dogleash or buckle-adjust construction",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Not a Coach model: velour Birkin-inspired tote (seller calls Firkin) with modern silver hardware matches generic fast-fashion Birkin lookalike, not any Classic, Sheridan, Soho or modern Coach line",
                    "Condition: New\/NWOT as listed with stickers on hardware (photo 3,4); no wear visible but fabric tote has no vintage value"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 26507,
            "output_tokens": 807,
            "total_tokens": 27314,
            "estimated_cost_usd": 0.01254
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 27648,
            "output_tokens": 1286,
            "total_tokens": 28934,
            "estimated_cost_usd": 0.006558
        }
    ]
}