Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.02,
    "vintage_probability": 0.5,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.825,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.915,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag-sized evening clutch with a chain strap.",
        "photo 3: Tape measure indicates an approximately 7-inch width, consistent with a small evening bag."
    ],
    "negative_evidence": [
        "photo 1: Exterior is densely covered in black beads rather than Coach glove-tanned leather, canvas, or a documented Coach material.",
        "photo 5: Interior is black synthetic-looking fabric with a metal frame, not a visible vintage Coach leather or suede construction.",
        "photos 1-5: No Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or Coach hangtag is visible.",
        "photos 1-5: The chain strap and frame clasp are generic evening-bag features and do not match a recognizable Coach catalog silhouette.",
        "listing title: Seller identifies it as an unbranded beaded evening bag, which is consistent with the visible construction.",
        "photo 1, photo 2: body is all-over black glass beads, not glove-tanned cowhide",
        "photo 1, photo 2, photo 5: kisslock frame closure, no turnlock of any geometry",
        "photo 5: black satin-type fabric lining with slip pocket, not unlined suede",
        "photo 1-4: gold-tone snake-chain strap and frame, not solid brass Coach hardware",
        "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible"
    ],
    "missing_information": [
        "photo 5: Close-up of any interior label, maker mark, or sewn-in tag.",
        "photo 5: Full interior corners and pocket area to confirm whether any brand stamp is concealed.",
        "photo 1: Close-up of the clasp and chain attachment points for maker markings.",
        "photo 2: Clear bottom and side-edge views to assess bead loss, frame condition, and construction.",
        "No Coach identifiers to request; interior already shown with no creed patch visible"
    ],
    "authenticity_concerns": [
        "photos 1-5: The beaded textile construction, synthetic-looking lining, and metal-frame evening-bag design are inconsistent with the classic vintage Coach handbag population.",
        "photos 1-5: No brand identifiers are visible, so there is no photo evidence supporting Coach manufacture."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the bag is a small beaded frame evening clutch rather than a Coach leather, canvas, or documented classic silhouette.",
        "photo 3 and photo 4: Dimensions are approximately 7 inches wide and about 4 inches high, supporting an evening clutch classification.",
        "Condition: Good to Very Good; beadwork and frame appear substantially intact, but the close photos show some loose or irregular edge beadwork and the interior lining has visible wear. Chain and clasp function cannot be confirmed from photos.",
        "Beaded kisslock evening clutch falls in excluded-materials category per skill: beads with no Coach identifier caps coach_probability at 0.05",
        "No creed, wordmark, hangtag, turnlock, leather, or catalog silhouette to support any Coach model",
        "Condition: Very Good; beadwork appears intact and full (photo 1-4), lining clean with light wear (photo 5)"
    ],
    "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": "photos 1-5: Gold-tone metal frame with a central clasp and a long gold-tone chain strap; no maker engraving is visible.",
        "leather_description": "photos 1-5: No leather is visible; exterior appears densely beaded textile or mesh.",
        "lining_description": "photo 5: Black fabric\/satin-like lining with a small interior slip pocket; no label is visible.",
        "strap_construction": "photos 1-4: Thin gold-tone chain attached at metal loops near the upper corners.",
        "stitching_description": "photo 5: Interior seams are visible but appear ordinary and somewhat uneven; detailed exterior stitching is obscured by the beadwork."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0041,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.65,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.9,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag-sized evening clutch with a chain strap.",
                    "photo 3: Tape measure indicates an approximately 7-inch width, consistent with a small evening bag."
                ],
                "negative_evidence": [
                    "photo 1: Exterior is densely covered in black beads rather than Coach glove-tanned leather, canvas, or a documented Coach material.",
                    "photo 5: Interior is black synthetic-looking fabric with a metal frame, not a visible vintage Coach leather or suede construction.",
                    "photos 1-5: No Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or Coach hangtag is visible.",
                    "photos 1-5: The chain strap and frame clasp are generic evening-bag features and do not match a recognizable Coach catalog silhouette.",
                    "listing title: Seller identifies it as an unbranded beaded evening bag, which is consistent with the visible construction."
                ],
                "missing_information": [
                    "photo 5: Close-up of any interior label, maker mark, or sewn-in tag.",
                    "photo 5: Full interior corners and pocket area to confirm whether any brand stamp is concealed.",
                    "photo 1: Close-up of the clasp and chain attachment points for maker markings.",
                    "photo 2: Clear bottom and side-edge views to assess bead loss, frame condition, and construction."
                ],
                "authenticity_concerns": [
                    "photos 1-5: The beaded textile construction, synthetic-looking lining, and metal-frame evening-bag design are inconsistent with the classic vintage Coach handbag population.",
                    "photos 1-5: No brand identifiers are visible, so there is no photo evidence supporting Coach manufacture."
                ],
                "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": "photos 1-5: Gold-tone metal frame with a central clasp and a long gold-tone chain strap; no maker engraving is visible.",
                    "leather_description": "photos 1-5: No leather is visible; exterior appears densely beaded textile or mesh.",
                    "lining_description": "photo 5: Black fabric\/satin-like lining with a small interior slip pocket; no label is visible.",
                    "strap_construction": "photos 1-4: Thin gold-tone chain attached at metal loops near the upper corners.",
                    "stitching_description": "photo 5: Interior seams are visible but appear ordinary and somewhat uneven; detailed exterior stitching is obscured by the beadwork."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the bag is a small beaded frame evening clutch rather than a Coach leather, canvas, or documented classic silhouette.",
                    "photo 3 and photo 4: Dimensions are approximately 7 inches wide and about 4 inches high, supporting an evening clutch classification.",
                    "Condition: Good to Very Good; beadwork and frame appear substantially intact, but the close photos show some loose or irregular edge beadwork and the interior lining has visible wear. Chain and clasp function cannot be confirmed from photos."
                ],
                "confidence": 0.93,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "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": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "No Coach identifiers to request; interior already shown with no creed patch visible"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: body is all-over black glass beads, not glove-tanned cowhide",
                    "photo 1, photo 2, photo 5: kisslock frame closure, no turnlock of any geometry",
                    "photo 5: black satin-type fabric lining with slip pocket, not unlined suede",
                    "photo 1-4: gold-tone snake-chain strap and frame, not solid brass Coach hardware",
                    "photo 1-5: 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": "gold-tone kisslock frame with ball clasps and thin gold-tone snake-chain shoulder strap",
                    "leather_description": "no leather visible; exterior is dense black micro-beads on fabric base",
                    "lining_description": "black satin-like fabric lining with single slip pocket (photo 5)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible on exterior; straight machine stitching around interior slip pocket",
                    "strap_construction": "thin gold-tone snake-chain, attached with small split rings to frame ends",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Beaded kisslock evening clutch falls in excluded-materials category per skill: beads with no Coach identifier caps coach_probability at 0.05",
                    "No creed, wordmark, hangtag, turnlock, leather, or catalog silhouette to support any Coach model",
                    "Condition: Very Good; beadwork appears intact and full (photo 1-4), lining clean with light wear (photo 5)"
                ],
                "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": 25718,
            "output_tokens": 837,
            "total_tokens": 26555,
            "estimated_cost_usd": 0.012296
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 27058,
            "output_tokens": 1212,
            "total_tokens": 28270,
            "estimated_cost_usd": 0.006381
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}