Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.015,
    "vintage_probability": 0.575,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.83,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.905,
    "recommended_max_bid": 11.5,
    "estimated_resale_low": 9,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a handbag with a shoulder handle and decorated body",
        "photo 2: close-up shows extensive hand-applied multicolor beads on a black textile base",
        "photo 6: interior shows a dark fabric lining and handmade-looking construction"
    ],
    "negative_evidence": [
        "photo 1: no visible Coach wordmark, horse-and-carriage, creed patch, or leather hangtag",
        "photo 1: the bag is covered in colorful beads rather than Coach's typical leather, coated canvas, or signature textile construction",
        "photo 3: closure consists of a decorative beaded cord and bead rather than a Coach turnlock or conventional Coach hardware",
        "photo 6: interior is fabric-lined and does not show a Coach creed or style tag",
        "listing title: seller describes it as a handmade beaded Hong Kong purse and lists the brand as unbranded",
        "photo 1, photo 4: entire body and handles are beaded textile with multicolor beads, not glove-tanned leather",
        "photo 1-5: no solid brass hardware, no turnlock, no buckles, no D-rings, no rivets",
        "photo 6: black fabric lining with no leather creed patch on back wall",
        "photo 1-6: no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photo 3, photo 5: closure is fabric drawstring cord with black bead, not Coach construction"
    ],
    "missing_information": [
        "photo 6: clearer, fully illuminated interior view including every pocket, seam, and label area",
        "photo 1: back, bottom, side seams, and any attached labels should be shown",
        "photo 3: close-ups of any clasp, zipper, or closure hardware",
        "No brand tag readable in interior photo 6 - confirm no fabric maker label hidden in seam",
        "Seller-stated dimensions and bottom view not provided"
    ],
    "authenticity_concerns": [
        "photo 1: construction and materials are inconsistent with recognizable vintage Coach handbag lines",
        "photo 6: no Coach identifier is visible; the fabric lining and beaded textile construction support a generic or specialty beaded purse rather than Coach"
    ],
    "possible_model_reasoning": [
        "No Coach model fits: beaded drawstring pouch silhouette, beaded handles, fabric lining and lack of leather\/brass\/creed are inconsistent with all Coach catalog styles in \u00a74",
        "Condition: Good to Very Good for a beaded bag; beading appears largely intact in photo 1, photo 2, photo 4 with minor soiling on drawstring (photo 5), interior lining appears intact but dark photos limit assessment"
    ],
    "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 3 and photo 5: decorative black and metallic-looking beads on a cord closure; no recognizable Coach hardware visible",
        "leather_description": "photo 1 and photo 2: no leather body visible; black textile base covered with multicolor beads",
        "lining_description": "photo 6: dark fabric lining with visible seams; no brand label or creed legible",
        "strap_construction": "photo 1 and photo 4: single rounded textile\/beaded shoulder handle, apparently decorated with beads; no leather strap or adjustment hardware visible",
        "stitching_description": "photo 6: visible textile seams appear handmade or irregular in places; detailed stress-point stitching is not fully assessable"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0049,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.01,
                "vintage_probability": 0.75,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.05,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a handbag with a shoulder handle and decorated body",
                    "photo 2: close-up shows extensive hand-applied multicolor beads on a black textile base",
                    "photo 6: interior shows a dark fabric lining and handmade-looking construction"
                ],
                "negative_evidence": [
                    "photo 1: no visible Coach wordmark, horse-and-carriage, creed patch, or leather hangtag",
                    "photo 1: the bag is covered in colorful beads rather than Coach's typical leather, coated canvas, or signature textile construction",
                    "photo 3: closure consists of a decorative beaded cord and bead rather than a Coach turnlock or conventional Coach hardware",
                    "photo 6: interior is fabric-lined and does not show a Coach creed or style tag",
                    "listing title: seller describes it as a handmade beaded Hong Kong purse and lists the brand as unbranded"
                ],
                "missing_information": [
                    "photo 6: clearer, fully illuminated interior view including every pocket, seam, and label area",
                    "photo 1: back, bottom, side seams, and any attached labels should be shown",
                    "photo 3: close-ups of any clasp, zipper, or closure hardware"
                ],
                "authenticity_concerns": [
                    "photo 1: construction and materials are inconsistent with recognizable vintage Coach handbag lines",
                    "photo 6: no Coach identifier is visible; the fabric lining and beaded textile construction support a generic or specialty beaded purse rather than Coach"
                ],
                "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 3 and photo 5: decorative black and metallic-looking beads on a cord closure; no recognizable Coach hardware visible",
                    "leather_description": "photo 1 and photo 2: no leather body visible; black textile base covered with multicolor beads",
                    "lining_description": "photo 6: dark fabric lining with visible seams; no brand label or creed legible",
                    "strap_construction": "photo 1 and photo 4: single rounded textile\/beaded shoulder handle, apparently decorated with beads; no leather strap or adjustment hardware visible",
                    "stitching_description": "photo 6: visible textile seams appear handmade or irregular in places; detailed stress-point stitching is not fully assessable"
                },
                "possible_model_reasoning": [],
                "confidence": 0.93,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 8,
                "image_quality_score": 0.78,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "No brand tag readable in interior photo 6 - confirm no fabric maker label hidden in seam",
                    "Seller-stated dimensions and bottom view not provided"
                ],
                "negative_evidence": [
                    "photo 1, photo 4: entire body and handles are beaded textile with multicolor beads, not glove-tanned leather",
                    "photo 1-5: no solid brass hardware, no turnlock, no buckles, no D-rings, no rivets",
                    "photo 6: black fabric lining with no leather creed patch on back wall",
                    "photo 1-6: no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photo 3, photo 5: closure is fabric drawstring cord with black bead, not Coach construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "no brass hardware visible; only braided fabric drawstring with black plastic\/glass bead toggle (photo 3, photo 5)",
                    "leather_description": "no leather visible; black fabric base densely covered with white, red, yellow, green beads (photo 1, photo 2)",
                    "lining_description": "black plain fabric lining visible in photo 6, no pockets or creed patch visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible on exterior due to beading; plain machine stitching on interior lining edge in photo 6",
                    "strap_construction": "two short fixed top handles made of same beaded fabric as body (photo 1, photo 4)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: beaded drawstring pouch silhouette, beaded handles, fabric lining and lack of leather\/brass\/creed are inconsistent with all Coach catalog styles in \u00a74",
                    "Condition: Good to Very Good for a beaded bag; beading appears largely intact in photo 1, photo 2, photo 4 with minor soiling on drawstring (photo 5), interior lining appears intact but dark photos limit assessment"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.4
            }
        }
    ],
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            "model_name": "meta:muse-spark-1.3-contributor",
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}