Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.585,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.85,
    "recommended_max_bid": 11.5,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Glossy crocodile-embossed exterior, decorative belt strap, and large rectangular lock are not characteristic of the visible classic vintage Coach construction.",
        "photo 1: No Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or recognizable Coach hangtag is visible.",
        "photo 1: Hardware appears bright and plated rather than the understated solid-brass hardware typical of many vintage Coach classics.",
        "photo 1: The highly glossy embossed surface appears more consistent with coated or synthetic material than glove-tanned Coach leather.",
        "photo 1: Birkin-style satchel silhouette with horizontal belt-strap and padlock-hasp closure never used on vintage Coach classics",
        "photo 1: beige croc-embossed high-gloss coated material, not matte glove-tanned cowhide with natural grain",
        "photo 1: bright gold-tone plated hardware with shiny finish, not solid brass vintage hardware",
        "photo 1: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
        "photo 1: rolled glossy top handles and contrast edge stitching inconsistent with 1970s-1990s Coach construction"
    ],
    "missing_information": [
        "photo 1: Interior, bottom, side panels, strap attachments, zipper pulls, and any labels or stamps are not shown.",
        "A straight-on close-up of the interior and all labels would be needed to check for a creed or fabric tag.",
        "Material composition and dimensions are not provided.",
        "photo 1 only front view: no interior, creed, back, sides, bottom, or hardware close-ups to verify identifiers",
        "interior lining and any brand stamps \/ creed patch not shown",
        "bottom corners, strap\/handle attachments, and zipper brand not shown"
    ],
    "authenticity_concerns": [
        "photo 1: The oversized decorative lock and crocodile-embossed glossy construction are lookalike cues, not Coach identifiers.",
        "photo 1: No brand identifier is visible; this appears to be an unbranded modern satchel rather than a vintage Coach bag."
    ],
    "possible_model_reasoning": [
        "photo 1: The structured medium satchel silhouette is generic and does not closely establish a Coach catalog model.",
        "Condition appears Very Good from the visible front, with no obvious major damage; interior and bottom condition are unknown.",
        "No Coach identifier visible in photo 1; silhouette, closure, material and hardware all point to modern Hermes Birkin-inspired unbranded satchel, not any Coach catalog style",
        "Condition from single front view appears clean\/new-like but cannot grade without bottom, corners, interior and handle detail: Condition: Good to Like New appearance, capped by incomplete photos"
    ],
    "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: Bright gold-tone rectangular lock with a belt-like front strap and gold-tone strap loops; no Coach engraving is visible.",
        "leather_description": "photo 1: Beige, glossy crocodile-embossed material; whether genuine leather or synthetic is not confirmed.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Two rounded top handles and a decorative front belt\/strap detail are visible; no detachable shoulder strap is shown.",
        "stitching_description": "photo 1: Light-colored machine-like perimeter stitching appears generally even, though construction details are limited to the front view."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0012,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.67,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Glossy crocodile-embossed exterior, decorative belt strap, and large rectangular lock are not characteristic of the visible classic vintage Coach construction.",
                    "photo 1: No Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or recognizable Coach hangtag is visible.",
                    "photo 1: Hardware appears bright and plated rather than the understated solid-brass hardware typical of many vintage Coach classics.",
                    "photo 1: The highly glossy embossed surface appears more consistent with coated or synthetic material than glove-tanned Coach leather."
                ],
                "missing_information": [
                    "photo 1: Interior, bottom, side panels, strap attachments, zipper pulls, and any labels or stamps are not shown.",
                    "A straight-on close-up of the interior and all labels would be needed to check for a creed or fabric tag.",
                    "Material composition and dimensions are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: The oversized decorative lock and crocodile-embossed glossy construction are lookalike cues, not Coach identifiers.",
                    "photo 1: No brand identifier is visible; this appears to be an unbranded modern satchel rather than a vintage 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": false,
                    "hangtag_present": false,
                    "hardware_description": "photo 1: Bright gold-tone rectangular lock with a belt-like front strap and gold-tone strap loops; no Coach engraving is visible.",
                    "leather_description": "photo 1: Beige, glossy crocodile-embossed material; whether genuine leather or synthetic is not confirmed.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Two rounded top handles and a decorative front belt\/strap detail are visible; no detachable shoulder strap is shown.",
                    "stitching_description": "photo 1: Light-colored machine-like perimeter stitching appears generally even, though construction details are limited to the front view."
                },
                "possible_model_reasoning": [
                    "photo 1: The structured medium satchel silhouette is generic and does not closely establish a Coach catalog model.",
                    "Condition appears Very Good from the visible front, with no obvious major damage; interior and bottom condition are unknown."
                ],
                "confidence": 0.82,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.5,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1 only front view: no interior, creed, back, sides, bottom, or hardware close-ups to verify identifiers",
                    "interior lining and any brand stamps \/ creed patch not shown",
                    "bottom corners, strap\/handle attachments, and zipper brand not shown"
                ],
                "negative_evidence": [
                    "photo 1: Birkin-style satchel silhouette with horizontal belt-strap and padlock-hasp closure never used on vintage Coach classics",
                    "photo 1: beige croc-embossed high-gloss coated material, not matte glove-tanned cowhide with natural grain",
                    "photo 1: bright gold-tone plated hardware with shiny finish, not solid brass vintage hardware",
                    "photo 1: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
                    "photo 1: rolled glossy top handles and contrast edge stitching inconsistent with 1970s-1990s Coach construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated Birkin-style belt-strap hardware with central lock hasp; shiny plated appearance, not solid brass turnlock",
                    "leather_description": "beige\/tan croc-embossed high-gloss coated material with patent-like shine; not glove-tanned leather",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "light-colored edge stitching visible around top flap and belt tabs; no detail of stress-point stitching visible",
                    "strap_construction": "dual rolled top handles in smooth beige material; no detachable shoulder strap shown",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in photo 1; silhouette, closure, material and hardware all point to modern Hermes Birkin-inspired unbranded satchel, not any Coach catalog style",
                    "Condition from single front view appears clean\/new-like but cannot grade without bottom, corners, interior and handle detail: Condition: Good to Like New appearance, capped by incomplete photos"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17375,
            "output_tokens": 663,
            "total_tokens": 18038,
            "estimated_cost_usd": 0.008541
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17828,
            "output_tokens": 1264,
            "total_tokens": 19092,
            "estimated_cost_usd": 0.004577
        }
    ]
}