Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.665,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.81,
    "recommended_max_bid": 10,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag with a crossbody strap and multiple zippered compartments.",
        "photo 1: Brown leather-like exterior is visible."
    ],
    "negative_evidence": [
        "photo 1: No Coach wordmark, horse-and-carriage emblem, creed patch, serial\/style number, or hangtag is visible.",
        "photo 1: The bag has bright silver-tone hardware and multiple decorative braided panels, unlike the typical solid-brass, restrained construction of classic vintage Coach.",
        "photo 1: The heavily compartmented design, decorative stitching, and soft slouching silhouette do not closely match the listed classic Coach models.",
        "photo 1: The seller identifies the bag as unbranded; this is weak context but consistent with the absence of Coach identifiers.",
        "photo 1: triple front zip pockets with vertical braided applique strips - not a Coach catalog silhouette",
        "photo 1: no turnlock, no leather hangtag, no COACH wordmark or horse-and-carriage visible",
        "photo 1: silver-tone zipper hardware with leatherette pull tabs, not vintage solid brass",
        "photo 1: soft shiny uniform finish and thin unstructured construction unlike glove-tanned cowhide with suede back"
    ],
    "missing_information": [
        "photo 1: Interior, creed area, fabric tags, and any brand labels are not shown.",
        "photo 1: Zipper pulls, strap attachments, bottom, corners, and hardware backs are not shown in close-up.",
        "photo 1: Material composition is not verifiable; the surface may be genuine leather or synthetic leather.",
        "photo 1 only front view: no interior, creed patch, back, bottom, side views shown",
        "no creed close-up to transcribe",
        "lining, hardware stamps, zipper brand not visible",
        "strap ends, adjustment hardware and scale\/dimensions not shown"
    ],
    "authenticity_concerns": [
        "photo 1: No Coach identifier is visible, and the construction presents as a generic modern crossbody rather than a recognizable Coach design.",
        "photo 1: Bright silver-tone hardware and decorative braided detailing are inconsistent with many classic vintage Coach leather styles, though this alone does not prove a replica."
    ],
    "possible_model_reasoning": [
        "photo 1 shape, multi-zip front, braided decor, silver hardware and sheen do not match any Classic glove-tanned era Coach style (City, Willis, Court, Station, Duffle, etc.)",
        "no creed, wordmark, hangtag or brass turnlock identifiers visible to support Coach manufacture",
        "Condition: appears New\/unused catalog-type product photo, but only one view so condition 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": "photo 1: Bright silver-tone zipper hardware and rivet-like strap fasteners are visible; no Coach engraving is legible.",
        "leather_description": "photo 1: Brown, soft-looking, smooth-to lightly pebbled leather-like material with decorative stitched\/braided panels; genuine leather cannot be confirmed.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Long adjustable-looking shoulder\/crossbody strap attached at the upper side edges; adjustment hardware and attachment construction are not clearly shown.",
        "stitching_description": "photo 1: Visible machine-like, generally even stitching with prominent decorative braided appliqu\u00e9 or stitched detailing on the front."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0019,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag with a crossbody strap and multiple zippered compartments.",
                    "photo 1: Brown leather-like exterior is visible."
                ],
                "negative_evidence": [
                    "photo 1: No Coach wordmark, horse-and-carriage emblem, creed patch, serial\/style number, or hangtag is visible.",
                    "photo 1: The bag has bright silver-tone hardware and multiple decorative braided panels, unlike the typical solid-brass, restrained construction of classic vintage Coach.",
                    "photo 1: The heavily compartmented design, decorative stitching, and soft slouching silhouette do not closely match the listed classic Coach models.",
                    "photo 1: The seller identifies the bag as unbranded; this is weak context but consistent with the absence of Coach identifiers."
                ],
                "missing_information": [
                    "photo 1: Interior, creed area, fabric tags, and any brand labels are not shown.",
                    "photo 1: Zipper pulls, strap attachments, bottom, corners, and hardware backs are not shown in close-up.",
                    "photo 1: Material composition is not verifiable; the surface may be genuine leather or synthetic leather."
                ],
                "authenticity_concerns": [
                    "photo 1: No Coach identifier is visible, and the construction presents as a generic modern crossbody rather than a recognizable Coach design.",
                    "photo 1: Bright silver-tone hardware and decorative braided detailing are inconsistent with many classic vintage Coach leather styles, though this alone does not prove a replica."
                ],
                "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: Bright silver-tone zipper hardware and rivet-like strap fasteners are visible; no Coach engraving is legible.",
                    "leather_description": "photo 1: Brown, soft-looking, smooth-to lightly pebbled leather-like material with decorative stitched\/braided panels; genuine leather cannot be confirmed.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Long adjustable-looking shoulder\/crossbody strap attached at the upper side edges; adjustment hardware and attachment construction are not clearly shown.",
                    "stitching_description": "photo 1: Visible machine-like, generally even stitching with prominent decorative braided appliqu\u00e9 or stitched detailing on the front."
                },
                "possible_model_reasoning": [],
                "confidence": 0.8,
                "recommended_max_bid": 12,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.82,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1 only front view: no interior, creed patch, back, bottom, side views shown",
                    "no creed close-up to transcribe",
                    "lining, hardware stamps, zipper brand not visible",
                    "strap ends, adjustment hardware and scale\/dimensions not shown"
                ],
                "negative_evidence": [
                    "photo 1: triple front zip pockets with vertical braided applique strips - not a Coach catalog silhouette",
                    "photo 1: no turnlock, no leather hangtag, no COACH wordmark or horse-and-carriage visible",
                    "photo 1: silver-tone zipper hardware with leatherette pull tabs, not vintage solid brass",
                    "photo 1: soft shiny uniform finish and thin unstructured construction unlike glove-tanned cowhide with suede back"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone zippers with small leatherette pull tabs; no turnlock; no engraved branding visible",
                    "leather_description": "tan-brown soft-appearing material with sheen and wrinkled finish; looks like modern fast-fashion faux\/PU leather, not matte glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible topstitching along zip panels and braided trim; even but modern machine stitching",
                    "strap_construction": "thin flat single shoulder\/crossbody strap, same material as body, attachment not visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 shape, multi-zip front, braided decor, silver hardware and sheen do not match any Classic glove-tanned era Coach style (City, Willis, Court, Station, Duffle, etc.)",
                    "no creed, wordmark, hangtag or brass turnlock identifiers visible to support Coach manufacture",
                    "Condition: appears New\/unused catalog-type product photo, but only one view so condition capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 15845,
            "output_tokens": 707,
            "total_tokens": 16552,
            "estimated_cost_usd": 0.008035
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16162,
            "output_tokens": 1217,
            "total_tokens": 17379,
            "estimated_cost_usd": 0.004206
        }
    ]
}