Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.025,
    "vintage_probability": 0.475,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.8,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.87,
    "recommended_max_bid": 11.5,
    "estimated_resale_low": 10,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: bag is constructed from openwork woven textile with a shaped tan handle, not the glove-tanned leather construction associated with vintage Coach.",
        "photo 2: handle has decorative botanical motifs and a central brown leather closure tab, with no visible Coach wordmark, carriage, or leather hangtag.",
        "photo 5: interior is fabric-lined and shows no visible Coach creed patch, serial\/style number, or brand label.",
        "photo 6: close-up of the handle and hardware shows decorative floral detailing but no legible Coach branding.",
        "photo 1: body is cream crochet\/woven straw, not glove-tanned leather",
        "photo 1-4: rigid light-wood frame handles with carved leaf motif, not Coach leather\/strap construction",
        "photo 5: plain light cotton lining with slip pocket, no creed patch visible",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, hangtag, brass turnlock, or Talon\/YKK zipper visible",
        "photo 2,6: closure is small brown leather-like tab with snap stud, not turnlock geometry"
    ],
    "missing_information": [
        "photo 5: interior label or any concealed brand marking is not visible; request a clear photo of the entire interior, including all pockets and seams.",
        "photo 1-6: no rear, bottom, or side construction views are provided.",
        "photo 5: zipper, closure, and lining attachment details are not fully shown."
    ],
    "authenticity_concerns": [
        "The visible materials, woven construction, decorative wood-like handle, and fabric lining are inconsistent with the classic vintage Coach leather handbag population.",
        "No Coach identifier is visible in any provided photo; this appears more likely to be a generic vintage woven handbag than a Coach product.",
        "photo 1-6: straw\/crochet and wood-frame construction with no Coach identifiers is inconsistent with any Coach leather production"
    ],
    "possible_model_reasoning": [
        "No Coach model is a close match: the openwork woven body and decorative rigid handle do not correspond to the listed vintage Coach leather silhouettes.",
        "photo 4: approximate dimensions appear to be about 11 inches wide by 10 inches tall, supporting classification as a handbag but not a Coach model.",
        "Condition: Good; visible discoloration\/age wear and loose or uneven lining areas in photo 5, while the woven exterior appears intact. Interior and bottom condition are incompletely shown.",
        "No Coach model fits: silhouette, crochet\/straw body, wood frame handles, snap-tab closure and fabric lining match generic vintage-style straw bag, not any catalog style in \u00a74",
        "Era: materials and construction give no Coach era markers; treated as non-Coach",
        "Condition: Very Good; crochet appears intact (photo 1,3), lining clean (photo 5), wood handles intact (photo 6); bottom corners and full exterior not fully graded"
    ],
    "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 2 and photo 6: tan shaped handle with decorative botanical motifs, a brown leather tab, and small silver-tone rivet hardware; no Coach engraving visible.",
        "leather_description": "photo 1-3: woven cream-colored textile body; tan handle appears wood-like or coated rigid material, with a brown leather closure tab.",
        "lining_description": "photo 5: light fabric lining with a central seam and visible wear\/loose areas; no brand label visible.",
        "strap_construction": "rigid wooden frame handles integrated with body, no shoulder strap (photo 1,3,4)",
        "stitching_description": "photo 5: visible fabric lining seams and attachment stitching; exterior woven construction is visible, but detailed stitch quality is not assessable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0053,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.65,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bag is constructed from openwork woven textile with a shaped tan handle, not the glove-tanned leather construction associated with vintage Coach.",
                    "photo 2: handle has decorative botanical motifs and a central brown leather closure tab, with no visible Coach wordmark, carriage, or leather hangtag.",
                    "photo 5: interior is fabric-lined and shows no visible Coach creed patch, serial\/style number, or brand label.",
                    "photo 6: close-up of the handle and hardware shows decorative floral detailing but no legible Coach branding."
                ],
                "missing_information": [
                    "photo 5: interior label or any concealed brand marking is not visible; request a clear photo of the entire interior, including all pockets and seams.",
                    "photo 1-6: no rear, bottom, or side construction views are provided.",
                    "photo 5: zipper, closure, and lining attachment details are not fully shown."
                ],
                "authenticity_concerns": [
                    "The visible materials, woven construction, decorative wood-like handle, and fabric lining are inconsistent with the classic vintage Coach leather handbag population.",
                    "No Coach identifier is visible in any provided photo; this appears more likely to be a generic vintage woven handbag than a Coach product."
                ],
                "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 2 and photo 6: tan shaped handle with decorative botanical motifs, a brown leather tab, and small silver-tone rivet hardware; no Coach engraving visible.",
                    "leather_description": "photo 1-3: woven cream-colored textile body; tan handle appears wood-like or coated rigid material, with a brown leather closure tab.",
                    "lining_description": "photo 5: light fabric lining with a central seam and visible wear\/loose areas; no brand label visible.",
                    "strap_construction": "not_visible",
                    "stitching_description": "photo 5: visible fabric lining seams and attachment stitching; exterior woven construction is visible, but detailed stitch quality is not assessable."
                },
                "possible_model_reasoning": [
                    "No Coach model is a close match: the openwork woven body and decorative rigid handle do not correspond to the listed vintage Coach leather silhouettes.",
                    "photo 4: approximate dimensions appear to be about 11 inches wide by 10 inches tall, supporting classification as a handbag but not a Coach model.",
                    "Condition: Good; visible discoloration\/age wear and loose or uneven lining areas in photo 5, while the woven exterior appears intact. Interior and bottom condition are incompletely shown."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-6: straw\/crochet and wood-frame construction with no Coach identifiers is inconsistent with any Coach leather production"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.72,
                "is_handbag_probability": 0.97,
                "missing_information": [],
                "negative_evidence": [
                    "photo 1: body is cream crochet\/woven straw, not glove-tanned leather",
                    "photo 1-4: rigid light-wood frame handles with carved leaf motif, not Coach leather\/strap construction",
                    "photo 5: plain light cotton lining with slip pocket, no creed patch visible",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, hangtag, brass turnlock, or Talon\/YKK zipper visible",
                    "photo 2,6: closure is small brown leather-like tab with snap stud, not turnlock geometry"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "small silver-tone snap stud on front tab (photo 2,6); no brass turnlock, D-rings, or zipper hardware visible",
                    "leather_description": "no leather body; cream crochet\/woven straw body with only small brown tab that looks like leather\/split leather (photo 2)",
                    "lining_description": "off-white plain woven fabric lining with interior slip pocket (photo 5)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible as leather stitching; crochet weave only",
                    "strap_construction": "rigid wooden frame handles integrated with body, no shoulder strap (photo 1,3,4)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: silhouette, crochet\/straw body, wood frame handles, snap-tab closure and fabric lining match generic vintage-style straw bag, not any catalog style in \u00a74",
                    "Era: materials and construction give no Coach era markers; treated as non-Coach",
                    "Condition: Very Good; crochet appears intact (photo 1,3), lining clean (photo 5), wood handles intact (photo 6); bottom corners and full exterior not fully graded"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.3
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17783,
            "output_tokens": 764,
            "total_tokens": 18547,
            "estimated_cost_usd": 0.008947
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18121,
            "output_tokens": 1467,
            "total_tokens": 19588,
            "estimated_cost_usd": 0.004798
        }
    ]
}