Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.665,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.79,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 20,
    "estimated_resale_high": 60,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag with shoulder straps and a top zipper.",
        "photo 1: The listing identifies genuine cowhide leather, and the visible body is hair-on cowhide."
    ],
    "negative_evidence": [
        "photo 1: Hair-on cowhide western styling is not characteristic of the documented vintage Coach classic lines.",
        "photo 1: No visible Coach wordmark, horse-and-carriage, creed patch, hangtag, or Coach-style identifier.",
        "photo 2: Visible hardware is silver-tone and the bag has a modern zip-top construction, not a recognizable vintage Coach silhouette.",
        "photo 3: The visible back has no Coach branding or identifier.",
        "photo 4: The side and strap construction appear generic and do not show a Coach hallmark.",
        "photo 1-5: no creed patch visible",
        "photo 1-5: no COACH wordmark or horse-and-carriage visible",
        "photo 1-5: no turnlock or Coach hangtag visible",
        "photo 1-2: hair-on cowhide with western pattern not characteristic of vintage Coach classics",
        "photo 3-5: zip-top hobo with silver-tone dogleash clips, not a catalog Coach silhouette"
    ],
    "missing_information": [
        "photo 1-4: Interior, lining, interior labels, creed area, and any sewn-in brand or material tags are not shown.",
        "A straight-on close-up of the interior, zipper, hardware, strap attachments, and bottom would be needed to investigate further.",
        "Seller-stated dimensions and country of manufacture are not provided.",
        "interior views including any stamped patch or fabric label not shown",
        "close-up of hardware stamps and zipper brand not shown",
        "bottom, side and scale views not shown"
    ],
    "authenticity_concerns": [
        "No Coach-specific evidence is visible; this appears to be an unbranded western cowhide handbag rather than a Coach bag.",
        "The silver-tone hardware and hair-on cowhide construction do not align with the most recognizable vintage Coach glove-tanned leather classics.",
        "photo 1-5: no creed patch, wordmark, or Coach hardware visible to authenticate",
        "photo 1-5: hair-on cowhide western construction inconsistent with vintage Coach glove-tanned classics"
    ],
    "possible_model_reasoning": [
        "The rectangular zip-top tote or shoulder-bag silhouette does not closely match the listed vintage Coach classics, which generally use glove-tanned cowhide, recognizable turnlocks, or documented Coach identifiers.",
        "The hair-on western construction and modern silver hardware suggest a contemporary generic cowhide bag. Condition appears visually good from the exterior, but the interior and functional details are unassessed.",
        "No Coach identifier visible in any photo so no Coach model can be ranked; silhouette is a modern hair-on zip-top hobo, not matching City Bag, Willis, Court, Station or other glove-tanned classics; Condition: not graded for Coach, appears used but hair intact in 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: Silver-tone rings, clips, rivets, and zipper hardware are visible; no Coach engraving is legible.",
        "leather_description": "photo 1: Brown-and-white hair-on cowhide body with dark brown textured leather shoulder straps and trim.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Two broad shoulder straps attached with rivets and metal rings; additional strap attachment hardware is visible in photos 2-4.",
        "stitching_description": "photo 1: Some perimeter and strap stitching is visible, but resolution and hair coverage prevent a detailed construction assessment."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0019,
    "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": 0.03,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag with shoulder straps and a top zipper.",
                    "photo 1: The listing identifies genuine cowhide leather, and the visible body is hair-on cowhide."
                ],
                "negative_evidence": [
                    "photo 1: Hair-on cowhide western styling is not characteristic of the documented vintage Coach classic lines.",
                    "photo 1: No visible Coach wordmark, horse-and-carriage, creed patch, hangtag, or Coach-style identifier.",
                    "photo 2: Visible hardware is silver-tone and the bag has a modern zip-top construction, not a recognizable vintage Coach silhouette.",
                    "photo 3: The visible back has no Coach branding or identifier.",
                    "photo 4: The side and strap construction appear generic and do not show a Coach hallmark."
                ],
                "missing_information": [
                    "photo 1-4: Interior, lining, interior labels, creed area, and any sewn-in brand or material tags are not shown.",
                    "A straight-on close-up of the interior, zipper, hardware, strap attachments, and bottom would be needed to investigate further.",
                    "Seller-stated dimensions and country of manufacture are not provided."
                ],
                "authenticity_concerns": [
                    "No Coach-specific evidence is visible; this appears to be an unbranded western cowhide handbag rather than a Coach bag.",
                    "The silver-tone hardware and hair-on cowhide construction do not align with the most recognizable vintage Coach glove-tanned leather classics."
                ],
                "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 rings, clips, rivets, and zipper hardware are visible; no Coach engraving is legible.",
                    "leather_description": "photo 1: Brown-and-white hair-on cowhide body with dark brown textured leather shoulder straps and trim.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Two broad shoulder straps attached with rivets and metal rings; additional strap attachment hardware is visible in photos 2-4.",
                    "stitching_description": "photo 1: Some perimeter and strap stitching is visible, but resolution and hair coverage prevent a detailed construction assessment."
                },
                "possible_model_reasoning": [
                    "The rectangular zip-top tote or shoulder-bag silhouette does not closely match the listed vintage Coach classics, which generally use glove-tanned cowhide, recognizable turnlocks, or documented Coach identifiers.",
                    "The hair-on western construction and modern silver hardware suggest a contemporary generic cowhide bag. Condition appears visually good from the exterior, but the interior and functional details are unassessed."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 10,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-5: no creed patch, wordmark, or Coach hardware visible to authenticate",
                    "photo 1-5: hair-on cowhide western construction inconsistent with vintage Coach glove-tanned classics"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.8,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 60,
                "estimated_resale_low": 20,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior views including any stamped patch or fabric label not shown",
                    "close-up of hardware stamps and zipper brand not shown",
                    "bottom, side and scale views not shown"
                ],
                "negative_evidence": [
                    "photo 1-5: no creed patch visible",
                    "photo 1-5: no COACH wordmark or horse-and-carriage visible",
                    "photo 1-5: no turnlock or Coach hangtag visible",
                    "photo 1-2: hair-on cowhide with western pattern not characteristic of vintage Coach classics",
                    "photo 3-5: zip-top hobo with silver-tone dogleash clips, not a catalog Coach silhouette"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone dogleash \/ lobster clips and D-rings visible in photo 1-5; no turnlock; zipper pull partially visible but brand not legible",
                    "leather_description": "hair-on cowhide in black and white \/ brown and white spotted pattern visible in photo 1-5; smooth brown leather shoulder strap",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "detachable narrow leather shoulder strap on metal clips with rivets, plus leather tassel \/ pull in photo 1 and 5",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any photo so no Coach model can be ranked; silhouette is a modern hair-on zip-top hobo, not matching City Bag, Willis, Court, Station or other glove-tanned classics; Condition: not graded for Coach, appears used but hair intact in 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": 19676,
            "output_tokens": 776,
            "total_tokens": 20452,
            "estimated_cost_usd": 0.009733
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 20325,
            "output_tokens": 975,
            "total_tokens": 21300,
            "estimated_cost_usd": 0.004845
        }
    ]
}