Vintage Coach Hunter

{
    "is_handbag_probability": 0.97,
    "coach_probability": 0.02,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.66,
    "seller_misidentification_probability": 0.07,
    "confidence": 0.87,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Bag is constructed from thick woven natural-fiber or straw-like material, not the glove-tanned leather typical of vintage Coach.",
        "photo 1: No Coach wordmark, horse-and-carriage emblem, creed patch, serial number, or recognizable Coach hardware is visible.",
        "photo 1: Braided rope handles and a braided rope shoulder strap are inconsistent with the classic vintage Coach leather handbag construction.",
        "photo 1: body is woven straw\/paper crochet, not glove-tanned leather",
        "photo 1: no creed patch, COACH wordmark, horse-and-carriage, turnlock, or leather hangtag visible",
        "photo 1: round woven top handles and woven crossbody strap with silver-tone clips, inconsistent with vintage Coach brass hardware and leather construction"
    ],
    "missing_information": [
        "photo 1: Only one exterior view is provided.",
        "Interior, lining, labels, creed patch, fabric tags, hardware close-ups, strap attachments, and bottom are not shown.",
        "Seller's claim of genuine leather is not visually supported; request a close-up of the material and any interior brand label if needed.",
        "photo 1 only; no interior, bottom, or close-up views to verify lining or labels, but material alone excludes vintage Coach"
    ],
    "authenticity_concerns": [
        "photo 1: The material and rope construction do not match a typical Coach leather handbag; this appears to be a non-Coach woven bag rather than a Coach lookalike with an obscured identifier."
    ],
    "possible_model_reasoning": [
        "photo 1: The silhouette is a generic woven shoulder handbag with rope handles and a long rope strap, not a close match to a documented Coach model.",
        "Condition: Appears generally intact in the single exterior photo, but interior, bottom, corners, and strap condition are not assessable.",
        "photo 1 material is straw\/crochet, which per identification skill caps coach_probability at 0.05 absent a Coach identifier; none is visible",
        "silhouette (half-moon woven tote with round handles) matches no vintage Coach catalog style in glove-tanned leather",
        "Condition: not graded for Coach; generic fast-fashion straw bag"
    ],
    "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": "photo 1: Small metal ring or attachment hardware is visible at the sides; no Coach-marked hardware or turnlock is visible.",
        "leather_description": "photo 1: Body, handles, and strap appear thickly woven from a natural-fiber or straw-like material; leather is not visibly present.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Long braided rope shoulder strap attached at the side, with braided rope handles.",
        "stitching_description": "photo 1: Conventional stitching is largely obscured by the woven construction; no Coach-specific stitching detail is visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0041,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Bag is constructed from thick woven natural-fiber or straw-like material, not the glove-tanned leather typical of vintage Coach.",
                    "photo 1: No Coach wordmark, horse-and-carriage emblem, creed patch, serial number, or recognizable Coach hardware is visible.",
                    "photo 1: Braided rope handles and a braided rope shoulder strap are inconsistent with the classic vintage Coach leather handbag construction."
                ],
                "missing_information": [
                    "photo 1: Only one exterior view is provided.",
                    "Interior, lining, labels, creed patch, fabric tags, hardware close-ups, strap attachments, and bottom are not shown.",
                    "Seller's claim of genuine leather is not visually supported; request a close-up of the material and any interior brand label if needed."
                ],
                "authenticity_concerns": [
                    "photo 1: The material and rope construction do not match a typical Coach leather handbag; this appears to be a non-Coach woven bag rather than a Coach lookalike with an obscured identifier."
                ],
                "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: Small metal ring or attachment hardware is visible at the sides; no Coach-marked hardware or turnlock is visible.",
                    "leather_description": "photo 1: Body, handles, and strap appear thickly woven from a natural-fiber or straw-like material; leather is not visibly present.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Long braided rope shoulder strap attached at the side, with braided rope handles.",
                    "stitching_description": "photo 1: Conventional stitching is largely obscured by the woven construction; no Coach-specific stitching detail is visible."
                },
                "possible_model_reasoning": [
                    "photo 1: The silhouette is a generic woven shoulder handbag with rope handles and a long rope strap, not a close match to a documented Coach model.",
                    "Condition: Appears generally intact in the single exterior photo, but interior, bottom, corners, and strap condition are not assessable."
                ],
                "confidence": 0.89,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.5,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo 1 only; no interior, bottom, or close-up views to verify lining or labels, but material alone excludes vintage Coach"
                ],
                "negative_evidence": [
                    "photo 1: body is woven straw\/paper crochet, not glove-tanned leather",
                    "photo 1: no creed patch, COACH wordmark, horse-and-carriage, turnlock, or leather hangtag visible",
                    "photo 1: round woven top handles and woven crossbody strap with silver-tone clips, inconsistent with vintage Coach brass hardware and leather construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 1: silver-tone strap clips visible; no solid brass turnlock, buckle or dogleash hardware visible",
                    "leather_description": "photo 1: no leather visible; tan woven straw\/paper crochet texture throughout",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1: no leather stitching visible; crochet weave only",
                    "strap_construction": "photo 1: integrated round woven top handles plus long woven detachable-appearing crossbody strap",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 material is straw\/crochet, which per identification skill caps coach_probability at 0.05 absent a Coach identifier; none is visible",
                    "silhouette (half-moon woven tote with round handles) matches no vintage Coach catalog style in glove-tanned leather",
                    "Condition: not graded for Coach; generic fast-fashion straw bag"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 15432,
            "output_tokens": 632,
            "total_tokens": 16064,
            "estimated_cost_usd": 0.00769
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 15694,
            "output_tokens": 1190,
            "total_tokens": 16884,
            "estimated_cost_usd": 0.004091
        }
    ]
}