Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.025,
    "vintage_probability": 0.55,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.735,
    "seller_misidentification_probability": 0.075,
    "confidence": 0.82,
    "recommended_max_bid": 11,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a small shoulder handbag with a long strap and structured frame opening.",
        "photo 1: Seller describes the exterior as eel skin, and the visible highly glossy, vertically textured exotic skin is consistent with that description."
    ],
    "negative_evidence": [
        "photo 1: The bag has a glossy exotic-skin appearance rather than Coach's typical glove-tanned cowhide or documented classic Coach materials.",
        "photo 1: The centered loop\/knot frame closure is not a recognizable Coach turnlock, dogleash, kisslock, or catalog silhouette.",
        "photo 1: No COACH wordmark, horse-and-carriage, or hangtag is visible.",
        "photo 3: The construction appears generic and lacks visible Coach-specific identifiers.",
        "photo 4: The side construction shows a narrow framed profile and stitched exotic-skin panels, not a recognizable vintage Coach classic.",
        "photo 1: body is glossy wine-brown eel skin with vertical strip panels, not smooth glove-tanned cowhide",
        "photo 1: front closure is fabric\/leather knot detail, no brass turnlock with Coach geometry",
        "photo 1-3: no solid brass hardware, no D-rings, rivets, dogleash clips or turnlock visible",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch or leather hangtag visible",
        "photo 3: plain back with top fold-over, no exterior slip pocket or classic Coach flap layout",
        "photo 4-6: thin unstructured pouch \/ hinge-frame construction with center seam, not a catalog Coach classic silhouette"
    ],
    "missing_information": [
        "Straight-on interior photo showing any brand label, creed patch, or fabric tag.",
        "Close-up photos of the frame hardware, closure, strap attachments, and any maker marks.",
        "Bottom, corners, and full strap-end photos.",
        "Seller-stated dimensions and confirmation of whether the material is genuine eel skin or embossed\/treated leather.",
        "photo of interior emptied and lining - no interior view provided",
        "creed patch close-up in raking light - not shown",
        "hardware stamps \/ zipper brand \/ Made-in line - not shown",
        "hangtag both faces if present - not shown",
        "seller-stated dimensions and scale reference"
    ],
    "authenticity_concerns": [
        "The visible exotic-skin material and generic hinge-frame\/knot design are inconsistent with the usual construction and model catalog of vintage Coach.",
        "No Coach identifier is visible in the supplied photos; the bag should be treated as an unbranded or non-Coach exotic-skin purse unless interior evidence shows otherwise."
    ],
    "possible_model_reasoning": [
        "No Coach model is a plausible match: the hinge-frame body, central knot closure, glossy eel-skin appearance, and thin strap do not correspond to the listed vintage Coach silhouettes.",
        "Condition appears approximately Very Good based on intact visible exterior and strap, but the interior, hardware function, odor, and lining are not shown; photo glare limits assessment of surface wear.",
        "No Coach model fits: eel skin material, knot-front pouch with thin sewn-in strap and no turnlock or brass matches no classic style (City Bag 9790, Willis 9927, Court 9870, Dinky 9375, etc.)",
        "Era reasoning: construction and eel skin suggest 1980s-1990s non-Coach evening\/shoulder bag, but with no creed\/serial\/hardware cannot assign a Coach era; emitted non-Coach label",
        "Condition: Very Good; photos 1,3,5 show glossy surface with light creasing\/wrinkling normal for eel skin, no holes or corner wear-through visible, but interior and strap fold not shown so 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": "Visible frame closure appears to be a covered loop\/knot-style fastening; no Coach-stamped hardware is visible. Metal details are not clearly distinguishable.",
        "leather_description": "Highly glossy dark wine\/brown material with pronounced vertical wrinkled or scaled texture, seller-described as eel skin; appears unlike matte glove-tanned cowhide.",
        "lining_description": "not_visible",
        "strap_construction": "Thin, narrow matching dark shoulder strap attached at the upper sides; attachment hardware is not clearly visible.",
        "stitching_description": "Visible seams are generally narrow and machine-stitched, but detail is limited by glare and the textured material."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0016,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.55,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a small shoulder handbag with a long strap and structured frame opening.",
                    "photo 1: Seller describes the exterior as eel skin, and the visible highly glossy, vertically textured exotic skin is consistent with that description."
                ],
                "negative_evidence": [
                    "photo 1: The bag has a glossy exotic-skin appearance rather than Coach's typical glove-tanned cowhide or documented classic Coach materials.",
                    "photo 1: The centered loop\/knot frame closure is not a recognizable Coach turnlock, dogleash, kisslock, or catalog silhouette.",
                    "photo 1: No COACH wordmark, horse-and-carriage, or hangtag is visible.",
                    "photo 3: The construction appears generic and lacks visible Coach-specific identifiers.",
                    "photo 4: The side construction shows a narrow framed profile and stitched exotic-skin panels, not a recognizable vintage Coach classic."
                ],
                "missing_information": [
                    "Straight-on interior photo showing any brand label, creed patch, or fabric tag.",
                    "Close-up photos of the frame hardware, closure, strap attachments, and any maker marks.",
                    "Bottom, corners, and full strap-end photos.",
                    "Seller-stated dimensions and confirmation of whether the material is genuine eel skin or embossed\/treated leather."
                ],
                "authenticity_concerns": [
                    "The visible exotic-skin material and generic hinge-frame\/knot design are inconsistent with the usual construction and model catalog of vintage Coach.",
                    "No Coach identifier is visible in the supplied photos; the bag should be treated as an unbranded or non-Coach exotic-skin purse unless interior evidence shows otherwise."
                ],
                "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": "Visible frame closure appears to be a covered loop\/knot-style fastening; no Coach-stamped hardware is visible. Metal details are not clearly distinguishable.",
                    "leather_description": "Highly glossy dark wine\/brown material with pronounced vertical wrinkled or scaled texture, seller-described as eel skin; appears unlike matte glove-tanned cowhide.",
                    "lining_description": "not_visible",
                    "strap_construction": "Thin, narrow matching dark shoulder strap attached at the upper sides; attachment hardware is not clearly visible.",
                    "stitching_description": "Visible seams are generally narrow and machine-stitched, but detail is limited by glare and the textured material."
                },
                "possible_model_reasoning": [
                    "No Coach model is a plausible match: the hinge-frame body, central knot closure, glossy eel-skin appearance, and thin strap do not correspond to the listed vintage Coach silhouettes.",
                    "Condition appears approximately Very Good based on intact visible exterior and strap, but the interior, hardware function, odor, and lining are not shown; photo glare limits assessment of surface wear."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 10,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo of interior emptied and lining - no interior view provided",
                    "creed patch close-up in raking light - not shown",
                    "hardware stamps \/ zipper brand \/ Made-in line - not shown",
                    "hangtag both faces if present - not shown",
                    "seller-stated dimensions and scale reference"
                ],
                "negative_evidence": [
                    "photo 1: body is glossy wine-brown eel skin with vertical strip panels, not smooth glove-tanned cowhide",
                    "photo 1: front closure is fabric\/leather knot detail, no brass turnlock with Coach geometry",
                    "photo 1-3: no solid brass hardware, no D-rings, rivets, dogleash clips or turnlock visible",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch or leather hangtag visible",
                    "photo 3: plain back with top fold-over, no exterior slip pocket or classic Coach flap layout",
                    "photo 4-6: thin unstructured pouch \/ hinge-frame construction with center seam, not a catalog Coach classic silhouette"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "no metal hardware visible; no turnlock, buckles, or zipper pulls shown",
                    "leather_description": "photo 1,3: wine-brown glossy eel skin with vertical panel strips and high shine, soft pouch body",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 3-4: straight seam stitching along panels and top edge, tone-matched; no detailed stitch close-up",
                    "strap_construction": "photo 1-2: thin fixed-length shoulder strap in matching eel skin, sewn directly to top edge, no buckle adjustment or clips shown",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: eel skin material, knot-front pouch with thin sewn-in strap and no turnlock or brass matches no classic style (City Bag 9790, Willis 9927, Court 9870, Dinky 9375, etc.)",
                    "Era reasoning: construction and eel skin suggest 1980s-1990s non-Coach evening\/shoulder bag, but with no creed\/serial\/hardware cannot assign a Coach era; emitted non-Coach label",
                    "Condition: Very Good; photos 1,3,5 show glossy surface with light creasing\/wrinkling normal for eel skin, no holes or corner wear-through visible, but interior and strap fold not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.55
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 29500,
            "output_tokens": 764,
            "total_tokens": 30264,
            "estimated_cost_usd": 0.013634
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 31006,
            "output_tokens": 1694,
            "total_tokens": 32700,
            "estimated_cost_usd": 0.007556
        }
    ]
}