Vintage Coach Hunter

{
    "is_handbag_probability": 0.875,
    "coach_probability": 0.115,
    "vintage_probability": 0.17,
    "authenticity_confidence": 0.085,
    "image_quality_score": 0.21,
    "seller_misidentification_probability": 0.115,
    "confidence": 0.2,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: A leather-looking handbag interior and exterior edge are visible.",
        "photo 1: Brass-tone zipper teeth and a dark leather or leather-like body are visible, which can occur on vintage Coach bags.",
        "photo 1: zip-top bag with leather trim appears to be a leather handbag"
    ],
    "negative_evidence": [
        "photo 1: No legible Coach wordmark, horse-and-carriage, creed patch, serial number, or hangtag is visible.",
        "photo 1: The close-up is too dark and tightly cropped to compare the overall silhouette or construction with a Coach model.",
        "photo 1: The textured leather and fabric-like dark interior are generic and are not distinctive Coach identifiers.",
        "photo 1: interior is purple shiny fabric lining, not unlined glove-tanned suede expected on vintage Coach classics",
        "photo 1: no creed patch, wordmark, or horse-and-carriage visible",
        "photo 1: no turnlock, solid brass hardware, or hangtag visible",
        "all photos are near-duplicate interior zip views only - no exterior to match catalog silhouette"
    ],
    "missing_information": [
        "Straight-on exterior front, back, side, bottom, and both corners.",
        "Bright, focused interior photo showing the entire back wall and all pockets.",
        "Close-up of any interior leather creed patch or fabric tag, in raking light.",
        "Close-ups of the zipper pull, hardware, strap attachments, and any hangtag.",
        "Seller-stated dimensions, country-of-origin markings, and photos of stitching and strap condition.",
        "exterior front, back, sides, bottom views - silhouette and model unknown",
        "creed patch straight-on in raking light and Made-in line",
        "turnlock \/ closure and hardware close-ups including zipper pull stamp",
        "hangtag both faces",
        "strap full length and attachments",
        "seller-stated dimensions and materials"
    ],
    "authenticity_concerns": [
        "photo 1: No Coach identifiers are visible, so a generic lookalike or another leather handbag remains more likely than an identifiable Coach bag.",
        "photo 1: The dark lighting prevents evaluation of leather quality, lining construction, hardware geometry, and stitching consistency.",
        "photo 1: no Coach identifier visible to rule out replica or lookalike - assessment limited to construction"
    ],
    "possible_model_reasoning": [
        "No Coach model can be matched from the single tightly cropped interior image.",
        "The visible zipper and textured body do not provide enough silhouette or feature information to distinguish a Coach style from a generic leather handbag.",
        "Condition cannot be reliably graded because the exterior, bottom, corners, strap, and full interior are not shown.",
        "No exterior silhouette, closure, or dimensions visible so no Coach model can be matched",
        "Fabric lining and zip-top alone do not match unlined vintage Coach classics; modern lined Coach cannot be ruled out but has no supporting identifier",
        "Condition: unknown; interior only, dark and obscured, no corners, strap, or hardware condition assessable"
    ],
    "estimated_era": "unknown",
    "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: Brass-tone zipper teeth are visible; zipper pull and other hardware are not clearly shown.",
        "leather_description": "photo 1: Dark burgundy or purple-brown textured leather-like material is visible, but the image does not establish whether it is full-grain glove-tanned leather.",
        "lining_description": "photo 1: Dark lining or interior material is visible, but its composition and layout cannot be determined.",
        "strap_construction": "not_visible",
        "stitching_description": "photo 1: Edge stitching or seam detail is partially visible but too obscured to assess consistency."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0022,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.9,
                "coach_probability": 0.18,
                "vintage_probability": 0.24,
                "authenticity_confidence": 0.12,
                "image_quality_score": 0.22,
                "seller_misidentification_probability": 0.18,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: A leather-looking handbag interior and exterior edge are visible.",
                    "photo 1: Brass-tone zipper teeth and a dark leather or leather-like body are visible, which can occur on vintage Coach bags."
                ],
                "negative_evidence": [
                    "photo 1: No legible Coach wordmark, horse-and-carriage, creed patch, serial number, or hangtag is visible.",
                    "photo 1: The close-up is too dark and tightly cropped to compare the overall silhouette or construction with a Coach model.",
                    "photo 1: The textured leather and fabric-like dark interior are generic and are not distinctive Coach identifiers."
                ],
                "missing_information": [
                    "Straight-on exterior front, back, side, bottom, and both corners.",
                    "Bright, focused interior photo showing the entire back wall and all pockets.",
                    "Close-up of any interior leather creed patch or fabric tag, in raking light.",
                    "Close-ups of the zipper pull, hardware, strap attachments, and any hangtag.",
                    "Seller-stated dimensions, country-of-origin markings, and photos of stitching and strap condition."
                ],
                "authenticity_concerns": [
                    "photo 1: No Coach identifiers are visible, so a generic lookalike or another leather handbag remains more likely than an identifiable Coach bag.",
                    "photo 1: The dark lighting prevents evaluation of leather quality, lining construction, hardware geometry, and stitching consistency."
                ],
                "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: Brass-tone zipper teeth are visible; zipper pull and other hardware are not clearly shown.",
                    "leather_description": "photo 1: Dark burgundy or purple-brown textured leather-like material is visible, but the image does not establish whether it is full-grain glove-tanned leather.",
                    "lining_description": "photo 1: Dark lining or interior material is visible, but its composition and layout cannot be determined.",
                    "strap_construction": "not_visible",
                    "stitching_description": "photo 1: Edge stitching or seam detail is partially visible but too obscured to assess consistency."
                },
                "possible_model_reasoning": [
                    "No Coach model can be matched from the single tightly cropped interior image.",
                    "The visible zipper and textured body do not provide enough silhouette or feature information to distinguish a Coach style from a generic leather handbag.",
                    "Condition cannot be reliably graded because the exterior, bottom, corners, strap, and full interior are not shown."
                ],
                "confidence": 0.2,
                "recommended_max_bid": 10,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1: no Coach identifier visible to rule out replica or lookalike - assessment limited to construction"
                ],
                "authenticity_confidence": 0.05,
                "coach_probability": 0.05,
                "confidence": 0.2,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.2,
                "is_handbag_probability": 0.85,
                "missing_information": [
                    "exterior front, back, sides, bottom views - silhouette and model unknown",
                    "creed patch straight-on in raking light and Made-in line",
                    "turnlock \/ closure and hardware close-ups including zipper pull stamp",
                    "hangtag both faces",
                    "strap full length and attachments",
                    "seller-stated dimensions and materials"
                ],
                "negative_evidence": [
                    "photo 1: interior is purple shiny fabric lining, not unlined glove-tanned suede expected on vintage Coach classics",
                    "photo 1: no creed patch, wordmark, or horse-and-carriage visible",
                    "photo 1: no turnlock, solid brass hardware, or hangtag visible",
                    "all photos are near-duplicate interior zip views only - no exterior to match catalog silhouette"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone coil zipper teeth around top opening visible in photo 1; slider \/ pull stamp not_visible; no turnlock visible",
                    "leather_description": "burgundy \/ maroon leather trim at zip edge visible in photo 1; grain and finish not assessable from interior-only view",
                    "lining_description": "photo 1: purple satin-like fabric lining with textured \/ embossed pattern, zip pocket at back wall; not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "not_visible",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: zip-top bag with leather trim appears to be a leather handbag"
                ],
                "possible_model_reasoning": [
                    "No exterior silhouette, closure, or dimensions visible so no Coach model can be matched",
                    "Fabric lining and zip-top alone do not match unlined vintage Coach classics; modern lined Coach cannot be ruled out but has no supporting identifier",
                    "Condition: unknown; interior only, dark and obscured, no corners, strap, or hardware condition assessable"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.05,
                "vintage_probability": 0.1
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28767,
            "output_tokens": 718,
            "total_tokens": 29485,
            "estimated_cost_usd": 0.01323
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30079,
            "output_tokens": 1174,
            "total_tokens": 31253,
            "estimated_cost_usd": 0.006955
        }
    ]
}