Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.015,
    "vintage_probability": 0.09,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.88,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.93,
    "recommended_max_bid": 8,
    "estimated_resale_low": 6.5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a small crossbody handbag with a long cord strap and tasseled sides",
        "photo 4: interior is visibly fabric-lined and zippered"
    ],
    "negative_evidence": [
        "photo 1: exterior is covered in multicolored glass\/plastic beadwork rather than Coach glove-tanned leather or Coach signature canvas",
        "photo 4: interior is black synthetic-looking fabric with no visible Coach creed patch",
        "photo 5: a small sewn label reads \"SINGER,\" not COACH",
        "photo 6: interior view shows no Coach wordmark, horse-and-carriage, creed, or style-number tag",
        "photo 2: construction uses a decorative twisted cord strap and beadwork, unlike recognizable vintage Coach construction",
        "photo 1, photo 2, photo 4, photo 5: entire exterior is multicolor glass bugle-bead colorblock, not glove-tanned cowhide",
        "photo 3, photo 6: black synthetic fabric lining, not unlined suede-back leather",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 1-6: no brass turnlock, no solid brass hardware; zip top with dark-tone generic zipper",
        "photo 1, photo 2, photo 4: black twisted rope cord strap with tassel finials, not leather strap with brass buckle\/dogleash clips"
    ],
    "missing_information": [
        "photo 1-7: no clear photo of the reverse exterior or bottom",
        "photo 4\/6: no close-up of all interior seams or any hidden labels beyond the visible SINGER label",
        "seller-stated material composition and exact age are not provided"
    ],
    "authenticity_concerns": [
        "photo 1 and photo 4: the materials, beaded construction, synthetic lining, and decorative cord strap are inconsistent with the vintage Coach handbag population",
        "photo 5: the visible SINGER label is inconsistent with Coach branding",
        "photo 1-6: beaded textile construction with no glove-tanned leather, solid brass hardware, or Coach identifiers is inconsistent with any vintage Coach line",
        "photo 3, photo 6: synthetic fabric lining and generic zipper with no creed patch, no wordmark, no horse-and-carriage"
    ],
    "possible_model_reasoning": [
        "photo 1\/2: silhouette is a small decorative beaded crossbody, not a catalogued vintage Coach leather model",
        "photo 5: the visible SINGER label supports identification as a non-Coach branded or maker-labeled beaded bag",
        "photo 2\/4: condition appears Very Good overall; beadwork is largely intact, but tassel and cord condition should be checked in person; no bottom or reverse view limits grading",
        "Beaded evening-style crossbody silhouette with zip top and rope strap matches no catalog Coach style in 4.2 or 4.3",
        "Materials - beads, fabric lining, cord strap - fail Step 1 triage for Coach leather handbag population",
        "Condition: Very Good; beadwork appears intact and complete in photo 2, photo 4, photo 5, lining clean in photo 6"
    ],
    "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\/2: no Coach-style turnlock or substantial vintage brass hardware visible; bead edging, zipper hardware, cord strap, and fabric tassels are visible",
        "leather_description": "photo 1\/2: no leather visible; body is densely covered with multicolored beadwork",
        "lining_description": "photo 4\/6: black fabric\/synthetic lining with zippered interior compartments visible",
        "strap_construction": "photo 1\/2: long twisted black cord shoulder\/crossbody strap attached at the sides",
        "stitching_description": "photo 4\/6: fabric lining and bead edging are visible; detailed seam quality is not fully assessable"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0007,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.01,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a small crossbody handbag with a long cord strap and tasseled sides",
                    "photo 4: interior is visibly fabric-lined and zippered"
                ],
                "negative_evidence": [
                    "photo 1: exterior is covered in multicolored glass\/plastic beadwork rather than Coach glove-tanned leather or Coach signature canvas",
                    "photo 4: interior is black synthetic-looking fabric with no visible Coach creed patch",
                    "photo 5: a small sewn label reads \"SINGER,\" not COACH",
                    "photo 6: interior view shows no Coach wordmark, horse-and-carriage, creed, or style-number tag",
                    "photo 2: construction uses a decorative twisted cord strap and beadwork, unlike recognizable vintage Coach construction"
                ],
                "missing_information": [
                    "photo 1-7: no clear photo of the reverse exterior or bottom",
                    "photo 4\/6: no close-up of all interior seams or any hidden labels beyond the visible SINGER label",
                    "seller-stated material composition and exact age are not provided"
                ],
                "authenticity_concerns": [
                    "photo 1 and photo 4: the materials, beaded construction, synthetic lining, and decorative cord strap are inconsistent with the vintage Coach handbag population",
                    "photo 5: the visible SINGER label is inconsistent with Coach branding"
                ],
                "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\/2: no Coach-style turnlock or substantial vintage brass hardware visible; bead edging, zipper hardware, cord strap, and fabric tassels are visible",
                    "leather_description": "photo 1\/2: no leather visible; body is densely covered with multicolored beadwork",
                    "lining_description": "photo 4\/6: black fabric\/synthetic lining with zippered interior compartments visible",
                    "strap_construction": "photo 1\/2: long twisted black cord shoulder\/crossbody strap attached at the sides",
                    "stitching_description": "photo 4\/6: fabric lining and bead edging are visible; detailed seam quality is not fully assessable"
                },
                "possible_model_reasoning": [
                    "photo 1\/2: silhouette is a small decorative beaded crossbody, not a catalogued vintage Coach leather model",
                    "photo 5: the visible SINGER label supports identification as a non-Coach branded or maker-labeled beaded bag",
                    "photo 2\/4: condition appears Very Good overall; beadwork is largely intact, but tassel and cord condition should be checked in person; no bottom or reverse view limits grading"
                ],
                "confidence": 0.94,
                "recommended_max_bid": 8,
                "estimated_resale_low": 8,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-6: beaded textile construction with no glove-tanned leather, solid brass hardware, or Coach identifiers is inconsistent with any vintage Coach line",
                    "photo 3, photo 6: synthetic fabric lining and generic zipper with no creed patch, no wordmark, no horse-and-carriage"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.92,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.85,
                "is_handbag_probability": 0.98,
                "missing_information": [],
                "negative_evidence": [
                    "photo 1, photo 2, photo 4, photo 5: entire exterior is multicolor glass bugle-bead colorblock, not glove-tanned cowhide",
                    "photo 3, photo 6: black synthetic fabric lining, not unlined suede-back leather",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 1-6: no brass turnlock, no solid brass hardware; zip top with dark-tone generic zipper",
                    "photo 1, photo 2, photo 4: black twisted rope cord strap with tassel finials, not leather strap with brass buckle\/dogleash clips"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "dark-tone zip-top zipper, generic pull; no solid brass turnlock, buckle, D-rings or dogleash clips visible",
                    "leather_description": "no leather visible; exterior is glass bugle beads in black\/grey\/navy\/red colorblock",
                    "lining_description": "black synthetic fabric lining visible in photo 3 and photo 6",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible; beaded overlay with beaded edge trim",
                    "strap_construction": "black twisted rope cord crossbody strap with tassel ends at attachment points",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Beaded evening-style crossbody silhouette with zip top and rope strap matches no catalog Coach style in 4.2 or 4.3",
                    "Materials - beads, fabric lining, cord strap - fail Step 1 triage for Coach leather handbag population",
                    "Condition: Very Good; beadwork appears intact and complete in photo 2, photo 4, photo 5, lining clean in photo 6"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.15
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28780,
            "output_tokens": 792,
            "total_tokens": 29572,
            "estimated_cost_usd": 0.013413
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30093,
            "output_tokens": 1303,
            "total_tokens": 31396,
            "estimated_cost_usd": 0.007061
        }
    ]
}