Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.545,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.785,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Bag appears to be a glossy synthetic or coated-material tote rather than vintage glove-tanned leather.",
        "photo 1: No visible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or recognizable vintage Coach hardware.",
        "photo 1: Bright chunky chain and glossy material are inconsistent with the solid-brass, leather construction typical of vintage Coach classics.",
        "photo 1: Seller title describes an acrylic bag chain and seller lists the brand as unbranded.",
        "photo 1: large soft glossy teal patent\/vinyl-like tote with no turnlock, no leather hangtag, no COACH wordmark or carriage visible",
        "photo 1: material is high-gloss coated\/patent synthetic look, not vintage Coach glove-tanned cowhide with matte-to-satin grain",
        "photo 1: construction is unconstructed tote with short rolled top handles plus detachable chunky green acrylic chain, not a catalog Coach silhouette, closure, or brass hardware system",
        "photo 1: no solid-brass turnlock, dogleash clips, Talon\/YKK zip, or bead-chain hangtag seen"
    ],
    "missing_information": [
        "Interior view and any labels or tags.",
        "Close-up of the chain, hardware, and handle attachments.",
        "Back, bottom, side, and corner views.",
        "Any interior leather patch, fabric tag, or branding.",
        "photo 1 only front view: no interior, bottom, side, close-up views to check for creed patch, wordmark, or hardware stamps",
        "creed \/ interior lining not shown",
        "back, bottom corners, strap attachments and hardware engravings not shown"
    ],
    "authenticity_concerns": [
        "photo 1: The synthetic-looking glossy body and decorative chain suggest a generic modern fashion bag or lookalike rather than a Coach-made vintage leather handbag."
    ],
    "possible_model_reasoning": [
        "photo 1: The shape is a generic open-top tote with short handles and a decorative chain, not a clear match for a listed vintage Coach silhouette.",
        "photo 1: No Coach identifier is visible, and the material strongly favors a modern non-Coach bag.",
        "Condition: Cannot be reliably graded from one photo; visible creasing and handling wrinkles are present, while the interior and bottom are not shown.",
        "photo 1 silhouette is a modern oversized glossy tote with acrylic chain accessory; does not match City Bag (9790), Willis (9927), Court (9870), Station (5130), Duffle Sac (9085) or other classic glove-tanned models in shape, closure, leather or hardware",
        "no creed patch, serial, wordmark, or brass Coach hardware visible to decode era; materials and style point to modern non-Coach fast-fashion tote",
        "Condition: unable to grade fully from single front view; visible exterior looks intact with creasing\/wrinkling from soft material but no bottom\/interior to assess wear, so no tier assigned"
    ],
    "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: Decorative chunky chain in a pale metallic\/gold tone; no Coach-engraved hardware is visible.",
        "leather_description": "photo 1: Glossy blue-aqua material with prominent surface reflections; it does not visibly resemble natural glove-tanned leather.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Two short attached handles and a detachable-looking chunky chain strap; construction details are limited by the single front photo.",
        "stitching_description": "photo 1: Visible straight seam lines and handle attachment stitching, but construction quality cannot be assessed comprehensively."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0015,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.64,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Bag appears to be a glossy synthetic or coated-material tote rather than vintage glove-tanned leather.",
                    "photo 1: No visible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or recognizable vintage Coach hardware.",
                    "photo 1: Bright chunky chain and glossy material are inconsistent with the solid-brass, leather construction typical of vintage Coach classics.",
                    "photo 1: Seller title describes an acrylic bag chain and seller lists the brand as unbranded."
                ],
                "missing_information": [
                    "Interior view and any labels or tags.",
                    "Close-up of the chain, hardware, and handle attachments.",
                    "Back, bottom, side, and corner views.",
                    "Any interior leather patch, fabric tag, or branding."
                ],
                "authenticity_concerns": [
                    "photo 1: The synthetic-looking glossy body and decorative chain suggest a generic modern fashion bag or lookalike rather than a Coach-made vintage leather handbag."
                ],
                "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: Decorative chunky chain in a pale metallic\/gold tone; no Coach-engraved hardware is visible.",
                    "leather_description": "photo 1: Glossy blue-aqua material with prominent surface reflections; it does not visibly resemble natural glove-tanned leather.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Two short attached handles and a detachable-looking chunky chain strap; construction details are limited by the single front photo.",
                    "stitching_description": "photo 1: Visible straight seam lines and handle attachment stitching, but construction quality cannot be assessed comprehensively."
                },
                "possible_model_reasoning": [
                    "photo 1: The shape is a generic open-top tote with short handles and a decorative chain, not a clear match for a listed vintage Coach silhouette.",
                    "photo 1: No Coach identifier is visible, and the material strongly favors a modern non-Coach bag.",
                    "Condition: Cannot be reliably graded from one photo; visible creasing and handling wrinkles are present, while the interior and bottom are not shown."
                ],
                "confidence": 0.82,
                "recommended_max_bid": 5,
                "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": 0.75,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.45,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo 1 only front view: no interior, bottom, side, close-up views to check for creed patch, wordmark, or hardware stamps",
                    "creed \/ interior lining not shown",
                    "back, bottom corners, strap attachments and hardware engravings not shown"
                ],
                "negative_evidence": [
                    "photo 1: large soft glossy teal patent\/vinyl-like tote with no turnlock, no leather hangtag, no COACH wordmark or carriage visible",
                    "photo 1: material is high-gloss coated\/patent synthetic look, not vintage Coach glove-tanned cowhide with matte-to-satin grain",
                    "photo 1: construction is unconstructed tote with short rolled top handles plus detachable chunky green acrylic chain, not a catalog Coach silhouette, closure, or brass hardware system",
                    "photo 1: no solid-brass turnlock, dogleash clips, Talon\/YKK zip, or bead-chain hangtag seen"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone small rings at handles plus detachable chunky light-green acrylic curb chain draped on front; no brass turnlock, no stamped pulls visible",
                    "leather_description": "glossy teal-blue patent-like material with wrinkled soft drape and high shine; appears coated \/ patent \/ vinyl, not glove-tanned full-grain cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "single row top-edge stitching at handle anchors visible in photo 1; detail insufficient to assess evenness or thread match",
                    "strap_construction": "short rolled top handles in same glossy material plus detachable acrylic chain accessory; no buckle-adjustable strap, dogleash clips, or dowel handle seen",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 silhouette is a modern oversized glossy tote with acrylic chain accessory; does not match City Bag (9790), Willis (9927), Court (9870), Station (5130), Duffle Sac (9085) or other classic glove-tanned models in shape, closure, leather or hardware",
                    "no creed patch, serial, wordmark, or brass Coach hardware visible to decode era; materials and style point to modern non-Coach fast-fashion tote",
                    "Condition: unable to grade fully from single front view; visible exterior looks intact with creasing\/wrinkling from soft material but no bottom\/interior to assess wear, so no tier assigned"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
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            "output_tokens": 656,
            "total_tokens": 17297,
            "estimated_cost_usd": 0.008231
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17050,
            "output_tokens": 1124,
            "total_tokens": 18174,
            "estimated_cost_usd": 0.004309
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}