Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.02,
    "vintage_probability": 0.475,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.825,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.895,
    "recommended_max_bid": 8,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: ornate jeweled animal-head clasp and metallic textured exterior are not characteristic of vintage Coach hardware.",
        "photo 2: structured frame clutch with a thin chain handle does not match the listed classic Coach leather handbag silhouettes.",
        "photo 5: black fabric-lined interior is visible, with no Coach creed patch, wordmark, or horse-and-carriage branding.",
        "photos 1-5: no Coach identifier is visible anywhere on the exterior, clasp, chain, or interior.",
        "photo 1,2,3,4: metallic gold coated evening clutch material, not glove-tanned cowhide",
        "photo 1,2,3: kisslock frame with decorative jewel leaf clasp, not Coach turnlock geometry",
        "photo 6: black fabric lining, not unlined suede-back glove-tanned interior",
        "photo 1,2,3,4: thin gold-tone metal chain strap, not leather strap with brass dogleash clips or buckle",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photo 2: ~9 inch wide kisslock evening clutch silhouette matches generic mid-century evening bag, not catalog Coach classic"
    ],
    "missing_information": [
        "photo 5: interior brand label or maker stamp is not shown; the interior appears largely empty and unbranded.",
        "photo 5: close-up photographs of the frame, clasp underside, and any interior label would help identify the actual maker.",
        "photo 1: clasp and hardware markings are too small to identify a manufacturer.",
        "No Coach creed patch visible; interior shown with no creed (photo 6) - no further Coach identifier to request",
        "No maker label or hardware stamp visible - request close-up of frame interior markings if any"
    ],
    "authenticity_concerns": [
        "photo 1: the oversized decorative animal-head clasp is a lookalike-style feature rather than a recognizable Coach turnlock or Coach hardware design.",
        "photos 1-5: construction and identifiers are inconsistent with a Coach vintage leather classic; no creed or Coach branding is visible."
    ],
    "possible_model_reasoning": [
        "photos 1-5: silhouette is a vintage-inspired metallic evening frame clutch, not a recognizable Coach model from the catalog.",
        "photo 2: approximate width is 9.5-10 inches, supporting a small evening bag classification but not a specific Coach style.",
        "Condition: Very Good based on visible intact exterior, frame, clasp, chain, and lining; interior is dark and fine wear is difficult to assess.",
        "No Coach model fits: kisslock jewel-clasp metallic evening clutch with chain and fabric lining is outside Coach classic glove-tanned turnlock catalog (City, Willis, Court, Dinky, etc.)",
        "Construction (metallic coated body, fabric lining, decorative kisslock) points to generic vintage-style evening bag, not Coach",
        "Condition: Very Good to Excellent; metallic surface appears intact with light wear, frame and clasp intact, interior clean black fabric (photo 6), chain intact"
    ],
    "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": "photos 1-5: gold-tone metal frame and chain strap with an ornate jeweled animal-head snap\/clasp; no Coach engraving is visible.",
        "leather_description": "photos 1-4: metallic silver-gold textured material with a reflective finish; it does not visibly resemble natural glove-tanned leather.",
        "lining_description": "photo 5: black fabric lining inside a rigid frame; no label is visible.",
        "strap_construction": "photos 1-4: thin gold-tone chain strap attached to metal rings at the upper sides.",
        "stitching_description": "photos 1-5: stitching is not clearly visible; exterior appears framed and edge-trimmed."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0032,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.35,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.9,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: ornate jeweled animal-head clasp and metallic textured exterior are not characteristic of vintage Coach hardware.",
                    "photo 2: structured frame clutch with a thin chain handle does not match the listed classic Coach leather handbag silhouettes.",
                    "photo 5: black fabric-lined interior is visible, with no Coach creed patch, wordmark, or horse-and-carriage branding.",
                    "photos 1-5: no Coach identifier is visible anywhere on the exterior, clasp, chain, or interior."
                ],
                "missing_information": [
                    "photo 5: interior brand label or maker stamp is not shown; the interior appears largely empty and unbranded.",
                    "photo 5: close-up photographs of the frame, clasp underside, and any interior label would help identify the actual maker.",
                    "photo 1: clasp and hardware markings are too small to identify a manufacturer."
                ],
                "authenticity_concerns": [
                    "photo 1: the oversized decorative animal-head clasp is a lookalike-style feature rather than a recognizable Coach turnlock or Coach hardware design.",
                    "photos 1-5: construction and identifiers are inconsistent with a Coach vintage leather classic; no creed or Coach branding is visible."
                ],
                "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": "photos 1-5: gold-tone metal frame and chain strap with an ornate jeweled animal-head snap\/clasp; no Coach engraving is visible.",
                    "leather_description": "photos 1-4: metallic silver-gold textured material with a reflective finish; it does not visibly resemble natural glove-tanned leather.",
                    "lining_description": "photo 5: black fabric lining inside a rigid frame; no label is visible.",
                    "strap_construction": "photos 1-4: thin gold-tone chain strap attached to metal rings at the upper sides.",
                    "stitching_description": "photos 1-5: stitching is not clearly visible; exterior appears framed and edge-trimmed."
                },
                "possible_model_reasoning": [
                    "photos 1-5: silhouette is a vintage-inspired metallic evening frame clutch, not a recognizable Coach model from the catalog.",
                    "photo 2: approximate width is 9.5-10 inches, supporting a small evening bag classification but not a specific Coach style.",
                    "Condition: Very Good based on visible intact exterior, frame, clasp, chain, and lining; interior is dark and fine wear is difficult to assess."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "No Coach creed patch visible; interior shown with no creed (photo 6) - no further Coach identifier to request",
                    "No maker label or hardware stamp visible - request close-up of frame interior markings if any"
                ],
                "negative_evidence": [
                    "photo 1,2,3,4: metallic gold coated evening clutch material, not glove-tanned cowhide",
                    "photo 1,2,3: kisslock frame with decorative jewel leaf clasp, not Coach turnlock geometry",
                    "photo 6: black fabric lining, not unlined suede-back glove-tanned interior",
                    "photo 1,2,3,4: thin gold-tone metal chain strap, not leather strap with brass dogleash clips or buckle",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photo 2: ~9 inch wide kisslock evening clutch silhouette matches generic mid-century evening bag, not catalog Coach classic"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone kisslock frame with decorative leaf-shaped jewel clasp with clear stone (photo 1); thin gold-tone chain shoulder strap with small ring attachments (photo 1,2)",
                    "leather_description": "metallic gold coated material with pebbled sheen, not glove-tanned cowhide; appears to be metallic evening material, not full-grain leather",
                    "lining_description": "black fabric lining inside frame bag (photo 6)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "thin gold-tone metal curb chain, attached at frame ends, no leather, no buckle adjustment",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: kisslock jewel-clasp metallic evening clutch with chain and fabric lining is outside Coach classic glove-tanned turnlock catalog (City, Willis, Court, Dinky, etc.)",
                    "Construction (metallic coated body, fabric lining, decorative kisslock) points to generic vintage-style evening bag, not Coach",
                    "Condition: Very Good to Excellent; metallic surface appears intact with light wear, frame and clasp intact, interior clean black fabric (photo 6), chain intact"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.6
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17725,
            "output_tokens": 754,
            "total_tokens": 18479,
            "estimated_cost_usd": 0.0089
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18063,
            "output_tokens": 1391,
            "total_tokens": 19454,
            "estimated_cost_usd": 0.004725
        }
    ]
}