Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.03,
    "vintage_probability": 0.04,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.475,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.7,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag with two circular ring handles and a structured top edge.",
        "photo 2: The bag appears to have stitched construction and a leather-like exterior."
    ],
    "negative_evidence": [
        "photo 1: No visible Coach wordmark, horse-and-carriage mark, creed patch, serial\/style number, or hangtag.",
        "photo 1: Oversized circular ring handles and gathered lower body do not closely match the documented classic Coach silhouettes.",
        "photo 2: Smooth glossy finish and prominent decorative ring-handle construction are more consistent with a generic fashion handbag than vintage Coach.",
        "photo 1 and photo 2: The visible metal hardware does not show a recognizable Coach-specific turnlock or other identifier.",
        "photo 1, photo 2: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1, photo 2: large silver-tone double ring handles threaded through top loops - not a Coach classic silhouette or hardware",
        "photo 1, photo 2: shiny smooth magenta material with slouchy drape unlike matte glove-tanned cowhide with suede back",
        "photo 1, photo 2: no turnlock, no brass hardware, no dogleash clips, no bead-chain hangtag"
    ],
    "missing_information": [
        "Interior view, including any creed patch, brand label, or fabric tag.",
        "Close-up photographs of all hardware, zipper pulls, and handle attachments.",
        "Back, bottom, side, and corner views.",
        "Seller-stated dimensions and material composition.",
        "photo of interior and any interior patch \/ fabric label not shown",
        "photo of bottom, back, side and close-up of material \/ stitching not shown",
        "photo of hardware stamps or Made-in label not shown"
    ],
    "authenticity_concerns": [
        "No Coach identifiers are visible in either provided photo.",
        "The construction and decorative hardware appear inconsistent with documented vintage Coach classic styles, though the interior and labels are not shown."
    ],
    "possible_model_reasoning": [
        "The ring-handle silhouette does not correspond closely to a documented Coach model, and no Coach identifier is visible.",
        "Era is estimated as modern (2000s+), non-Coach based on the glossy fashion-bag construction and decorative ring handles; this is tentative because interior and label views are absent.",
        "Condition appears Good from the visible exterior: noticeable creasing and sagging, but no obvious tears or broken hardware are visible. Interior and bottom condition are unknown.",
        "No Coach identifier visible in either photo; ring-handle slouchy clutch silhouette does not match any catalog classic City Bag, Willis, Court, Station, Dinky or Cashin shape",
        "Material sheen and silver-tone ring hardware inconsistent with 1970s-1990s solid-brass and unlined glove-tanned construction",
        "Condition: Good to Very Good appearance exterior only; interior, bottom and corners not shown so full 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": "Two large circular metal ring handles are visible, with multiple small leather-like attachment loops; no Coach engraving is visible.",
        "leather_description": "Smooth, glossy magenta leather-like exterior is visible; genuine leather versus synthetic material cannot be determined from these photos.",
        "lining_description": "not_visible",
        "strap_construction": "Two fixed circular ring handles attached through gathered leather-like loops; no shoulder strap is visible.",
        "stitching_description": "Visible top-edge and handle-attachment stitching appears generally straight and machine-made; detailed stress-point stitching is not assessable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0011,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.04,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.45,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag with two circular ring handles and a structured top edge.",
                    "photo 2: The bag appears to have stitched construction and a leather-like exterior."
                ],
                "negative_evidence": [
                    "photo 1: No visible Coach wordmark, horse-and-carriage mark, creed patch, serial\/style number, or hangtag.",
                    "photo 1: Oversized circular ring handles and gathered lower body do not closely match the documented classic Coach silhouettes.",
                    "photo 2: Smooth glossy finish and prominent decorative ring-handle construction are more consistent with a generic fashion handbag than vintage Coach.",
                    "photo 1 and photo 2: The visible metal hardware does not show a recognizable Coach-specific turnlock or other identifier."
                ],
                "missing_information": [
                    "Interior view, including any creed patch, brand label, or fabric tag.",
                    "Close-up photographs of all hardware, zipper pulls, and handle attachments.",
                    "Back, bottom, side, and corner views.",
                    "Seller-stated dimensions and material composition."
                ],
                "authenticity_concerns": [
                    "No Coach identifiers are visible in either provided photo.",
                    "The construction and decorative hardware appear inconsistent with documented vintage Coach classic styles, though the interior and labels are not shown."
                ],
                "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": "Two large circular metal ring handles are visible, with multiple small leather-like attachment loops; no Coach engraving is visible.",
                    "leather_description": "Smooth, glossy magenta leather-like exterior is visible; genuine leather versus synthetic material cannot be determined from these photos.",
                    "lining_description": "not_visible",
                    "strap_construction": "Two fixed circular ring handles attached through gathered leather-like loops; no shoulder strap is visible.",
                    "stitching_description": "Visible top-edge and handle-attachment stitching appears generally straight and machine-made; detailed stress-point stitching is not assessable."
                },
                "possible_model_reasoning": [
                    "The ring-handle silhouette does not correspond closely to a documented Coach model, and no Coach identifier is visible.",
                    "Era is estimated as modern (2000s+), non-Coach based on the glossy fashion-bag construction and decorative ring handles; this is tentative because interior and label views are absent.",
                    "Condition appears Good from the visible exterior: noticeable creasing and sagging, but no obvious tears or broken hardware are visible. Interior and bottom condition are unknown."
                ],
                "confidence": 0.62,
                "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": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.5,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo of interior and any interior patch \/ fabric label not shown",
                    "photo of bottom, back, side and close-up of material \/ stitching not shown",
                    "photo of hardware stamps or Made-in label not shown"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1, photo 2: large silver-tone double ring handles threaded through top loops - not a Coach classic silhouette or hardware",
                    "photo 1, photo 2: shiny smooth magenta material with slouchy drape unlike matte glove-tanned cowhide with suede back",
                    "photo 1, photo 2: no turnlock, no brass hardware, no dogleash clips, no bead-chain hangtag"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "large silver-tone metal double ring handles threaded through stitched top loops; no turnlock, no brass",
                    "leather_description": "magenta \/ fuchsia shiny soft slouchy leather-look material, appears synthetic \/ coated, not matte glove-tanned full-grain",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "top edge stitching visible in photo 2, otherwise not_visible in detail",
                    "strap_construction": "twin rigid metal ring top handles, not adjustable, threaded through body loops",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in either photo; ring-handle slouchy clutch silhouette does not match any catalog classic City Bag, Willis, Court, Station, Dinky or Cashin shape",
                    "Material sheen and silver-tone ring hardware inconsistent with 1970s-1990s solid-brass and unlined glove-tanned construction",
                    "Condition: Good to Very Good appearance exterior only; interior, bottom and corners not shown so full grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 15957,
            "output_tokens": 712,
            "total_tokens": 16669,
            "estimated_cost_usd": 0.008092
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16255,
            "output_tokens": 1146,
            "total_tokens": 17401,
            "estimated_cost_usd": 0.004168
        }
    ]
}