Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.01,
    "vintage_probability": 0.9,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.77,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.945,
    "recommended_max_bid": 9,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a small beaded frame handbag with a shoulder strap and structured purse silhouette.",
        "photo 3: Interior shows a fabric lining and a small sewn-in label that appears consistent with the seller's statement that it was handmade in Belgium.",
        "photo 1: Ornate beadwork and frame construction suggest an older vintage or antique accessory."
    ],
    "negative_evidence": [
        "photo 1: The bag is covered in beadwork with a decorative metal frame, not Coach's typical leather construction.",
        "photo 3: Fabric\/taffeta lining is visible; no Coach leather creed patch is apparent.",
        "photo 1: No Coach wordmark, horse-and-carriage logo, leather hangtag, or recognizable Coach hardware is visible.",
        "photo 2: The strap and frame show beaded textile construction rather than vintage Coach leather strap construction.",
        "photo 1: all-over glass beading on body and strap, not glove-tanned leather - excluded per beaded-material rule",
        "photo 1, photo 2: kisslock frame purse with no turnlock, no solid-brass Coach hardware geometry",
        "photo 3: taffeta\/satin lining with slip pocket and small red 'handmade in Belgium' tag, not unlined suede-back glove-tanned interior and not a Coach creed patch",
        "photo 2: beaded strap with extensive bead loss and exposed ground fabric, inconsistent with Coach construction",
        "photo 1-3: no COACH wordmark, no horse-and-carriage, no creed patch, no leather hangtag visible"
    ],
    "missing_information": [
        "photo 3: The interior tag is too small to read clearly; request a straight-on close-up.",
        "Request close-ups of the frame clasp, strap attachment points, and all areas with missing beads.",
        "Request bottom, side, and back photographs to assess beadwork condition and construction.",
        "Seller-stated age and exact measurements are not independently verified.",
        "No Coach-specific follow-up needed; bag is not a Coach candidate - no creed, leather, or brass turnlock to verify"
    ],
    "authenticity_concerns": [
        "The materials, beadwork, frame, and apparent Belgian handmade label are inconsistent with a Coach handbag.",
        "The worn and missing beadwork on the strap and top frame materially reduces condition and resale value."
    ],
    "possible_model_reasoning": [
        "No Coach model is plausible from the visible construction; this is a beaded Belgian frame purse rather than a Coach leather handbag.",
        "Seller describes it as handmade in Belgium, and the visible small interior label appears compatible with that description, but the label text is not legible enough to transcribe.",
        "Condition appears Fair\/rehab: extensive missing or loose beadwork on the strap and upper frame is visible in photos 1-2; the interior lining is worn and creased in photo 3.",
        "Not a Coach silhouette: antique Belgian beaded kisslock purse, 6x5 in per seller, vs any Coach catalog style in glove-tanned leather",
        "Materials rule out Coach: beads, fabric ground, taffeta lining - Coach vintage is unlined glove-tanned cowhide with solid brass",
        "Identifiers rule out Coach: interior tag is 'handmade in Belgium' per seller and photo 3, never a Coach country line; no creed patch anywhere",
        "Condition: Fair \/ Rehab for beaded category; extensive bead loss on strap and top of frame (photo 2), lining wrinkled\/discolored (photo 3)"
    ],
    "estimated_era": "unknown",
    "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: Decorative metal frame with a small central clasp\/closure; no Coach-stamped hardware is visible. The strap has missing beadwork and exposed\/worn areas.",
        "leather_description": "no leather visible; exterior is glass micro-beading in gold\/white tones on fabric ground (photo 1, photo 2)",
        "lining_description": "photo 3: Light-colored taffeta or satin-like fabric lining with visible wrinkling and wear; a small sewn-in label is present but not legible.",
        "strap_construction": "photos 1-2: Beaded textile strap, visibly frayed and missing beads in multiple areas; not a leather Coach strap.",
        "stitching_description": "photo 3: Interior seams and lining are visible but stitching detail is insufficiently clear for assessment."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0011,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.01,
                "vintage_probability": 0.95,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.84,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a small beaded frame handbag with a shoulder strap and structured purse silhouette.",
                    "photo 3: Interior shows a fabric lining and a small sewn-in label that appears consistent with the seller's statement that it was handmade in Belgium.",
                    "photo 1: Ornate beadwork and frame construction suggest an older vintage or antique accessory."
                ],
                "negative_evidence": [
                    "photo 1: The bag is covered in beadwork with a decorative metal frame, not Coach's typical leather construction.",
                    "photo 3: Fabric\/taffeta lining is visible; no Coach leather creed patch is apparent.",
                    "photo 1: No Coach wordmark, horse-and-carriage logo, leather hangtag, or recognizable Coach hardware is visible.",
                    "photo 2: The strap and frame show beaded textile construction rather than vintage Coach leather strap construction."
                ],
                "missing_information": [
                    "photo 3: The interior tag is too small to read clearly; request a straight-on close-up.",
                    "Request close-ups of the frame clasp, strap attachment points, and all areas with missing beads.",
                    "Request bottom, side, and back photographs to assess beadwork condition and construction.",
                    "Seller-stated age and exact measurements are not independently verified."
                ],
                "authenticity_concerns": [
                    "The materials, beadwork, frame, and apparent Belgian handmade label are inconsistent with a Coach handbag.",
                    "The worn and missing beadwork on the strap and top frame materially reduces condition and resale value."
                ],
                "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: Decorative metal frame with a small central clasp\/closure; no Coach-stamped hardware is visible. The strap has missing beadwork and exposed\/worn areas.",
                    "leather_description": "not_visible",
                    "lining_description": "photo 3: Light-colored taffeta or satin-like fabric lining with visible wrinkling and wear; a small sewn-in label is present but not legible.",
                    "strap_construction": "photos 1-2: Beaded textile strap, visibly frayed and missing beads in multiple areas; not a leather Coach strap.",
                    "stitching_description": "photo 3: Interior seams and lining are visible but stitching detail is insufficiently clear for assessment."
                },
                "possible_model_reasoning": [
                    "No Coach model is plausible from the visible construction; this is a beaded Belgian frame purse rather than a Coach leather handbag.",
                    "Seller describes it as handmade in Belgium, and the visible small interior label appears compatible with that description, but the label text is not legible enough to transcribe.",
                    "Condition appears Fair\/rehab: extensive missing or loose beadwork on the strap and upper frame is visible in photos 1-2; the interior lining is worn and creased in photo 3."
                ],
                "confidence": 0.94,
                "recommended_max_bid": 10,
                "estimated_resale_low": 5,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.01,
                "coach_probability": 0.01,
                "confidence": 0.95,
                "estimated_era": "unknown",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "No Coach-specific follow-up needed; bag is not a Coach candidate - no creed, leather, or brass turnlock to verify"
                ],
                "negative_evidence": [
                    "photo 1: all-over glass beading on body and strap, not glove-tanned leather - excluded per beaded-material rule",
                    "photo 1, photo 2: kisslock frame purse with no turnlock, no solid-brass Coach hardware geometry",
                    "photo 3: taffeta\/satin lining with slip pocket and small red 'handmade in Belgium' tag, not unlined suede-back glove-tanned interior and not a Coach creed patch",
                    "photo 2: beaded strap with extensive bead loss and exposed ground fabric, inconsistent with Coach construction",
                    "photo 1-3: no COACH wordmark, no horse-and-carriage, no creed patch, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "dark metal kisslock \/ frame closure with ball clasp (photo 1, photo 2); not a Coach turnlock, not solid brass turnlock geometry",
                    "leather_description": "no leather visible; exterior is glass micro-beading in gold\/white tones on fabric ground (photo 1, photo 2)",
                    "lining_description": "pale yellow\/gold taffeta lining with center slip pocket, small red rectangular tag (photo 3); seller states mirror inside, not visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible; construction is beadwork, not leather stitching",
                    "strap_construction": "short beaded top handles\/strap with heavy bead loss exposing ground fabric (photo 2)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Not a Coach silhouette: antique Belgian beaded kisslock purse, 6x5 in per seller, vs any Coach catalog style in glove-tanned leather",
                    "Materials rule out Coach: beads, fabric ground, taffeta lining - Coach vintage is unlined glove-tanned cowhide with solid brass",
                    "Identifiers rule out Coach: interior tag is 'handmade in Belgium' per seller and photo 3, never a Coach country line; no creed patch anywhere",
                    "Condition: Fair \/ Rehab for beaded category; extensive bead loss on strap and top of frame (photo 2), lining wrinkled\/discolored (photo 3)"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.85
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
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            "output_tokens": 829,
            "total_tokens": 17288,
            "estimated_cost_usd": 0.008573
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}