Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.515,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.81,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.89,
    "recommended_max_bid": 9,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: bag is constructed from dense multicolor seed beads with an ornate floral pattern, not Coach's characteristic leather, canvas, or recognized vintage silhouettes",
        "photo 3: braided cord drawstring strap and tassel closure are visible; no Coach-style turnlock, leather hangtag, or wordmark is apparent",
        "photo 4: gray satin-like gathered lining is visible, with no Coach creed patch or fabric identification tag apparent",
        "photos 1-6: no legible COACH wordmark, horse-and-carriage, or other Coach identifier is visible",
        "photo 1-6: entire body is all-over micro glass-beadwork with floral pattern, not glove-tanned leather",
        "photo 4-5: grey satin fabric lining and drawstring top, not unlined suede or Coach lining",
        "photo 1-6: no solid brass hardware, no turnlock, no D-rings, no rivets",
        "photo 1-6: braided cord shoulder strap with beaded ends and bottom tassel, not Coach leather strap construction",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible"
    ],
    "missing_information": [
        "photo 4: interior wall and all pockets should be photographed fully to verify whether a sewn-in maker label is present",
        "photo 1: close-up of any closure hardware, strap attachments, and beadwork edges",
        "photo 2: clear back, bottom, and side views for construction and condition assessment",
        "seller-stated dimensions and any information about country or maker",
        "No leather creed patch or Coach identifier visible in any photo - consistent with non-Coach beaded bag",
        "No maker's label shown in interior satin lining close-up"
    ],
    "authenticity_concerns": [
        "photos 1-6: the beadwork, satin lining, braided cord construction, and decorative tassel do not correspond to the documented construction of typical vintage Coach handbags",
        "photos 1-6: no Coach identifier is visible; this is more consistent with an unbranded vintage beaded evening or shoulder bag"
    ],
    "possible_model_reasoning": [
        "photo 1: compact beaded floral shoulder-bag silhouette with a tassel is not a recognizable Coach model; no Coach model is proposed.",
        "photos 1-6: apparent vintage styling is based on beadwork and construction only; the exact date cannot be established without a maker label or provenance.",
        "photos 1-6: condition appears generally intact from the visible exterior, though bead loss, lining condition, odor, and strap wear cannot be fully assessed; conservative grade: Very Good pending interior and edge inspection.",
        "No Coach catalog style matches an all-over beaded drawstring pouch with braided cord strap and tassel; Coach vintage classics are glove-tanned leather with brass turnlocks",
        "Construction, materials and lining point to generic vintage-style beaded evening bag, not Coach",
        "Condition: Very Good; beadwork appears intact and complete in photos 1-6, no missing patches visible, satin lining looks clean"
    ],
    "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": "no metal hardware visible; braided grey cord strap with small beaded end caps; bottom fabric tassel",
        "leather_description": "No leather is visible; the exterior appears densely covered in multicolor seed beads.",
        "lining_description": "photo 4: gray satin-like gathered lining is visible around the drawstring opening; no label is legible.",
        "strap_construction": "photos 1-6: long dark braided cord shoulder strap\/drawstring construction is visible.",
        "stitching_description": "not_visible - construction is beadwork, no leather stitching visible"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.004,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.68,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bag is constructed from dense multicolor seed beads with an ornate floral pattern, not Coach's characteristic leather, canvas, or recognized vintage silhouettes",
                    "photo 3: braided cord drawstring strap and tassel closure are visible; no Coach-style turnlock, leather hangtag, or wordmark is apparent",
                    "photo 4: gray satin-like gathered lining is visible, with no Coach creed patch or fabric identification tag apparent",
                    "photos 1-6: no legible COACH wordmark, horse-and-carriage, or other Coach identifier is visible"
                ],
                "missing_information": [
                    "photo 4: interior wall and all pockets should be photographed fully to verify whether a sewn-in maker label is present",
                    "photo 1: close-up of any closure hardware, strap attachments, and beadwork edges",
                    "photo 2: clear back, bottom, and side views for construction and condition assessment",
                    "seller-stated dimensions and any information about country or maker"
                ],
                "authenticity_concerns": [
                    "photos 1-6: the beadwork, satin lining, braided cord construction, and decorative tassel do not correspond to the documented construction of typical vintage Coach handbags",
                    "photos 1-6: no Coach identifier is visible; this is more consistent with an unbranded vintage beaded evening or shoulder bag"
                ],
                "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": "not_visible",
                    "leather_description": "No leather is visible; the exterior appears densely covered in multicolor seed beads.",
                    "lining_description": "photo 4: gray satin-like gathered lining is visible around the drawstring opening; no label is legible.",
                    "strap_construction": "photos 1-6: long dark braided cord shoulder strap\/drawstring construction is visible.",
                    "stitching_description": "not_visible"
                },
                "possible_model_reasoning": [
                    "photo 1: compact beaded floral shoulder-bag silhouette with a tassel is not a recognizable Coach model; no Coach model is proposed.",
                    "photos 1-6: apparent vintage styling is based on beadwork and construction only; the exact date cannot be established without a maker label or provenance.",
                    "photos 1-6: condition appears generally intact from the visible exterior, though bead loss, lining condition, odor, and strap wear cannot be fully assessed; conservative grade: Very Good pending interior and edge inspection."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 10,
                "estimated_resale_low": 15,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.8,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "No leather creed patch or Coach identifier visible in any photo - consistent with non-Coach beaded bag",
                    "No maker's label shown in interior satin lining close-up"
                ],
                "negative_evidence": [
                    "photo 1-6: entire body is all-over micro glass-beadwork with floral pattern, not glove-tanned leather",
                    "photo 4-5: grey satin fabric lining and drawstring top, not unlined suede or Coach lining",
                    "photo 1-6: no solid brass hardware, no turnlock, no D-rings, no rivets",
                    "photo 1-6: braided cord shoulder strap with beaded ends and bottom tassel, not Coach leather strap construction",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "no metal hardware visible; braided grey cord strap with small beaded end caps; bottom fabric tassel",
                    "leather_description": "no leather visible - beaded textile body with sequin\/bead floral decoration",
                    "lining_description": "photo 4-5: grey satin-like fabric lining visible at top opening",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - construction is beadwork, no leather stitching visible",
                    "strap_construction": "photo 3,6: double braided cord shoulder strap, pull-close\/drawstring function",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach catalog style matches an all-over beaded drawstring pouch with braided cord strap and tassel; Coach vintage classics are glove-tanned leather with brass turnlocks",
                    "Construction, materials and lining point to generic vintage-style beaded evening bag, not Coach",
                    "Condition: Very Good; beadwork appears intact and complete in photos 1-6, no missing patches visible, satin lining looks clean"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.35
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 26495,
            "output_tokens": 767,
            "total_tokens": 27262,
            "estimated_cost_usd": 0.012439
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 27363,
            "output_tokens": 1209,
            "total_tokens": 28572,
            "estimated_cost_usd": 0.00644
        }
    ]
}