Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.02,
    "vintage_probability": 0.35,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.86,
    "seller_misidentification_probability": 0.08,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Bag is constructed primarily from woven straw with colorful yarn floral decoration, a material outside the usual vintage Coach leather and canvas construction.",
        "photo 1: No COACH wordmark, horse-and-carriage mark, creed patch, serial\/style number, or recognizable Coach hardware is visible.",
        "photo 2: The bag has a large woven straw body and decorative leather straps with large round rivet-like fittings, not a documented Coach classic silhouette.",
        "photo 3: Visible leather straps and decorative fittings do not show any legible Coach branding.",
        "photo 1: The seller's 1970s dating is not independently supported by an identifier or era-specific Coach construction."
    ],
    "missing_information": [
        "photo 1-3: Interior, lining, bottom, and any sewn-in maker label are not shown.",
        "photo 1-3: Close-ups of all hardware and strap attachments would be needed to inspect maker marks, though the visible materials already strongly indicate a non-Coach straw tote.",
        "photo 1-3: Exact dimensions and any provenance are not provided."
    ],
    "authenticity_concerns": [
        "photo 1-3: The straw construction and ornamental yarn embroidery are inconsistent with the vintage Coach leather handbag population; this appears to be an unbranded or artisan market tote rather than a Coach product.",
        "photo 1-3: No Coach identifier is visible, so Coach manufacture cannot be supported from these photos."
    ],
    "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 1-3: Round metal-colored rivet or button-like fittings secure brown leather straps; no maker engraving is legible. No Coach turnlock is visible.",
        "leather_description": "photo 1-3: Brown, smooth-looking narrow leather straps and trim are visible; the main body is woven straw rather than leather.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1-3: Multiple brown leather straps are riveted to the woven straw body, with long shoulder handles and decorative crossed\/looped strap elements.",
        "stitching_description": "photo 1-3: Strap edges and woven body are visible, but detailed stitching quality and interior construction are not shown."
    },
    "possible_model_reasoning": [
        "photo 1-3: No plausible Coach model match; Coach's classic vintage models are generally glove-tanned leather, suede, or later signature canvas, not this straw-and-yarn market-tote construction.",
        "photo 1-3: Seller title describes a vintage Mexican straw market tote, which is consistent with the visible artisan woven construction but is unverified seller data rather than a brand identifier.",
        "photo 1-3: Condition appears Good to Very Good overall, with visibly frayed and detached-looking yarn decoration and otherwise intact-looking straw; interior and bottom are not shown, so condition is limited by incomplete views."
    ],
    "confidence": 0.91,
    "recommended_max_bid": 12,
    "estimated_resale_low": 15,
    "estimated_resale_high": 45,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 21938,
            "output_tokens": 767,
            "total_tokens": 22705,
            "estimated_cost_usd": 0.010616
        }
    ]
}