Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.015,
    "vintage_probability": 0.1,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.815,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.93,
    "recommended_max_bid": 11,
    "estimated_resale_low": 10,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag with a top handle, zip-top opening, and structured beaded body."
    ],
    "negative_evidence": [
        "photo 1: Exterior is covered in blue and black plastic\/glass-like beads rather than Coach glove-tanned leather or Coach signature canvas.",
        "photo 1: Decorative geometric floral bead pattern and oversized novelty construction do not match the listed vintage Coach catalog silhouettes.",
        "photo 5: Visible zipper and black textile backing appear synthetic\/textile rather than vintage Coach leather construction.",
        "photo 6: Interior appears to be plain dark synthetic fabric with no visible Coach creed patch, wordmark, country line, or style number.",
        "photo 1: No Coach wordmark, horse-and-carriage mark, leather hangtag, or recognizable Coach hardware is visible.",
        "photo 7: Close interior view shows fabric lining and beadwork but no Coach identifier.",
        "photo 1-5: entire body and handle made of translucent blue plastic\/glass beads with black accent beads, not leather",
        "photo 1-5: no glove-tanned leather, no solid brass hardware, no turnlock, no hangtag, no COACH wordmark visible",
        "photo 6: black synthetic fabric interior pouch with zipper, not unlined suede or Coach lining",
        "photo 4: bottom\/side view shows same beaded construction with no leather panels"
    ],
    "missing_information": [
        "photo 1-8: No clear exterior back, side, or bottom views showing construction or any possible label.",
        "photo 6-7: No straight-on close-up of every interior seam, pocket, or fabric label; a small brand tag cannot be ruled out completely.",
        "photo 1-8: Seller-stated dimensions, material composition, and closure functionality are not provided.",
        "No Coach identifiers to request; bag construction already excludes Coach - no creed, leather, or brass hardware to verify"
    ],
    "authenticity_concerns": [
        "photo 1: Beaded synthetic\/textile construction is inconsistent with the classic vintage Coach handbag population.",
        "photo 6-7: Plain fabric lining and lack of any visible Coach identifier strongly support an unbranded novelty bag rather than Coach.",
        "photo 1: The decorative floral\/geometric bead motif is not a Coach signature pattern and should not be treated as brand evidence."
    ],
    "possible_model_reasoning": [
        "photo 1-5: No Coach model is a reasonable match; this is a novelty beaded top-handle handbag rather than a documented Coach leather or canvas style.",
        "photo 6-7: The plain textile interior and zipper construction are more consistent with a generic Y2K-era accessory.",
        "photo 1-8: Condition appears approximately Very Good overall because the beadwork is largely intact in the provided views, though the underside, corners, odor, and hidden bead attachments are not fully assessable.",
        "No Coach model fits: Coach never made all-over plastic-bead handbags; material (beads), construction (woven beads over fabric pouch), and lack of any leather\/brass\/creed excludes all catalog styles",
        "Condition: Good to Very Good; beads appear intact and complete in photos 1-4, interior fabric clean in photo 6"
    ],
    "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 1-5: No Coach-style turnlock or identifiable branded hardware visible; black bead and textile construction dominates.",
        "leather_description": "photo 1-5: No leather visible; body and handle appear made from blue and black beads attached to a textile backing.",
        "lining_description": "photo 6-7: Dark plain textile lining\/backing visible; no label or creed readable.",
        "strap_construction": "photo 1-5: Single fixed beaded top handle, with no visible leather strap or Coach-style detachable strap hardware.",
        "stitching_description": "photo 6-7: Textile seams and zipper area are visible, but stitching quality cannot be fully assessed from the close views."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0012,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.15,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag with a top handle, zip-top opening, and structured beaded body."
                ],
                "negative_evidence": [
                    "photo 1: Exterior is covered in blue and black plastic\/glass-like beads rather than Coach glove-tanned leather or Coach signature canvas.",
                    "photo 1: Decorative geometric floral bead pattern and oversized novelty construction do not match the listed vintage Coach catalog silhouettes.",
                    "photo 5: Visible zipper and black textile backing appear synthetic\/textile rather than vintage Coach leather construction.",
                    "photo 6: Interior appears to be plain dark synthetic fabric with no visible Coach creed patch, wordmark, country line, or style number.",
                    "photo 1: No Coach wordmark, horse-and-carriage mark, leather hangtag, or recognizable Coach hardware is visible.",
                    "photo 7: Close interior view shows fabric lining and beadwork but no Coach identifier."
                ],
                "missing_information": [
                    "photo 1-8: No clear exterior back, side, or bottom views showing construction or any possible label.",
                    "photo 6-7: No straight-on close-up of every interior seam, pocket, or fabric label; a small brand tag cannot be ruled out completely.",
                    "photo 1-8: Seller-stated dimensions, material composition, and closure functionality are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: Beaded synthetic\/textile construction is inconsistent with the classic vintage Coach handbag population.",
                    "photo 6-7: Plain fabric lining and lack of any visible Coach identifier strongly support an unbranded novelty bag rather than Coach.",
                    "photo 1: The decorative floral\/geometric bead motif is not a Coach signature pattern and should not be treated as brand evidence."
                ],
                "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 1-5: No Coach-style turnlock or identifiable branded hardware visible; black bead and textile construction dominates.",
                    "leather_description": "photo 1-5: No leather visible; body and handle appear made from blue and black beads attached to a textile backing.",
                    "lining_description": "photo 6-7: Dark plain textile lining\/backing visible; no label or creed readable.",
                    "strap_construction": "photo 1-5: Single fixed beaded top handle, with no visible leather strap or Coach-style detachable strap hardware.",
                    "stitching_description": "photo 6-7: Textile seams and zipper area are visible, but stitching quality cannot be fully assessed from the close views."
                },
                "possible_model_reasoning": [
                    "photo 1-5: No Coach model is a reasonable match; this is a novelty beaded top-handle handbag rather than a documented Coach leather or canvas style.",
                    "photo 6-7: The plain textile interior and zipper construction are more consistent with a generic Y2K-era accessory.",
                    "photo 1-8: Condition appears approximately Very Good overall because the beadwork is largely intact in the provided views, though the underside, corners, odor, and hidden bead attachments are not fully assessable."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 10,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.01,
                "confidence": 0.95,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "No Coach identifiers to request; bag construction already excludes Coach - no creed, leather, or brass hardware to verify"
                ],
                "negative_evidence": [
                    "photo 1-5: entire body and handle made of translucent blue plastic\/glass beads with black accent beads, not leather",
                    "photo 1-5: no glove-tanned leather, no solid brass hardware, no turnlock, no hangtag, no COACH wordmark visible",
                    "photo 6: black synthetic fabric interior pouch with zipper, not unlined suede or Coach lining",
                    "photo 4: bottom\/side view shows same beaded construction with no leather panels"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "not_visible - no metal hardware visible; only beads and black zipper",
                    "leather_description": "no leather present - translucent blue beads with black beads forming geometric pattern",
                    "lining_description": "photo 6: black fabric pouch lining inside beaded shell",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - beaded weave construction, no leather stitching",
                    "strap_construction": "photo 5: integrated beaded top handle, same blue beads as body",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: Coach never made all-over plastic-bead handbags; material (beads), construction (woven beads over fabric pouch), and lack of any leather\/brass\/creed excludes all catalog styles",
                    "Condition: Good to Very Good; beads appear intact and complete in photos 1-4, interior fabric clean in photo 6"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
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            "output_tokens": 834,
            "total_tokens": 29614,
            "estimated_cost_usd": 0.013514
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30092,
            "output_tokens": 862,
            "total_tokens": 30954,
            "estimated_cost_usd": 0.006708
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}