Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.18,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.91,
    "seller_misidentification_probability": 0.02,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 5: interior has a sewn-in non-Coach brand label and glossy synthetic lining rather than a Coach creed patch",
        "photo 1: exterior is fully covered in beaded zebra-pattern textile, not typical vintage Coach glove-tanned leather construction",
        "photos 1-3: no Coach wordmark, carriage, hangtag, or recognizable Coach hardware is visible",
        "photos 5-6: zipper and lining construction appear generic and modern rather than a classic vintage Coach interior"
    ],
    "missing_information": [
        "photo 1: several missing beads are mentioned by the seller but their exact locations and extent should be documented",
        "photo 1: bottom and corner close-ups are not provided",
        "photo 5: the interior brand label is visible but too small to confidently transcribe; a close-up would identify the maker",
        "photo 4: full strap attachment points and underside construction are not shown"
    ],
    "authenticity_concerns": [
        "photos 1-6: the bag has generic beaded textile construction and synthetic lining with no Coach identifiers; it should not be represented as Coach"
    ],
    "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 5: zipper closures with dark generic-looking pulls; no Coach-stamped hardware visible",
        "leather_description": "photos 1-4: no leather body is visible; exterior is densely beaded textile with black synthetic-looking handles",
        "lining_description": "photos 5-6: glossy black synthetic textile lining with zippered interior pocket",
        "strap_construction": "photo 4: two narrow black synthetic-looking shoulder straps with visible edge stitching",
        "stitching_description": "photos 1-6: machine stitching is visible on the straps and lining; exterior is primarily beadwork, with no Coach-specific construction visible"
    },
    "possible_model_reasoning": [
        "photos 1-6: silhouette is a medium rectangular beaded shoulder\/tote bag, not a cataloged vintage Coach leather model",
        "photos 1-2: measurements appear approximately 13 inches wide and 9 inches tall based on the seller's tape measure",
        "photo 5: the interior label appears to identify another maker, but the text is not sufficiently legible to transcribe reliably",
        "condition: Good; seller reports missing beads, while the visible body and straps appear intact; interior and bottom condition are only partly documented"
    ],
    "confidence": 0.94,
    "recommended_max_bid": 15,
    "estimated_resale_low": 10,
    "estimated_resale_high": 35,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18081,
            "output_tokens": 813,
            "total_tokens": 18894,
            "estimated_cost_usd": 0.009184
        }
    ]
}