Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.425,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.805,
    "seller_misidentification_probability": 0.07,
    "confidence": 0.89,
    "recommended_max_bid": 8,
    "estimated_resale_low": 6.5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a small handbag with a structured evening-purse silhouette.",
        "photo 3: Interior and frame construction are visible, allowing comparison with Coach construction."
    ],
    "negative_evidence": [
        "photo 1: Exterior is extensively covered in multicolor beads and vertical bugle beads rather than Coach leather, suede, or recognized Coach canvas.",
        "photo 3: Interior is white satin-like fabric with a sewn slip pocket; no leather Coach creed patch is visible.",
        "photo 5: Frame has a paired cylindrical kiss-lock closure, not a recognizable vintage Coach turnlock.",
        "photo 1: Thin chain shoulder strap and beaded decoration are not characteristic of the listed classic Coach handbag models.",
        "photo 1: No visible COACH wordmark, horse-and-carriage, or leather hangtag.",
        "photo 1: all-over glass beading on textile base, not glove-tanned leather",
        "photo 3: white satin lining with slip pocket, not unlined suede interior",
        "photo 1: kisslock frame closure with snake-chain strap, no turnlock, no solid brass hardware",
        "photo 5: silver-tone plated frame with wear, not solid brass vintage Coach hardware",
        "photo 1-2: beaded evening clutch silhouette matches excluded materials list (beads)"
    ],
    "missing_information": [
        "photo 3: A closer, well-lit view of any interior label or maker's mark would confirm whether another brand is present.",
        "photo 1: Bottom, side, and back views are not provided in detail.",
        "photo 3: The interior is shown, but the lining's label area and all seams are not close enough for a definitive maker identification.",
        "No Coach identifiers visible; no creed patch, wordmark, or hangtag to verify (photos 1-6)",
        "No maker label visible in interior; interior pocket empty with no tags shown (photos 3-4)"
    ],
    "authenticity_concerns": [
        "photo 1: The materials and decorative construction are inconsistent with the vintage Coach leather handbag population.",
        "photo 3: Fabric-lined beaded construction and a kiss-lock frame do not match the classic Coach identifiers expected for a Coach attribution."
    ],
    "possible_model_reasoning": [
        "The bag is most consistent with a vintage-style beaded evening clutch or frame purse, not a catalogued Coach model.",
        "The beaded exterior, satin lining, chain strap, and kiss-lock frame are common evening-bag construction cues but provide no Coach attribution.",
        "Condition: Good; beads and frame are largely intact, but the metal closure shows visible wear\/tarnish and the lining is wrinkled with localized discoloration (photos 3, 5, and 6).",
        "Not a Coach silhouette; beaded kisslock evening bag is an excluded material category per skill, so no Coach model applies",
        "Condition: Good to Very Good for beaded vintage; beadwork largely intact in photos 1-2, frame shows plating wear\/tarnish in photos 5-6, lining appears clean in photos 3-4"
    ],
    "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, and 6: Silver-tone metal frame with paired cylindrical kiss-lock knobs; finish appears worn or tarnished. Thin silver-tone chain strap attaches at both sides.",
        "leather_description": "photos 1 and 2: No leather exterior is visible; exterior is covered with dense glass or plastic beads and bugle beads.",
        "lining_description": "photos 3 and 4: Light white satin-like fabric lining with a sewn rectangular slip pocket; visible wrinkling and some discoloration near the opening.",
        "strap_construction": "photos 1 and 2: Single thin metal chain shoulder strap attached to side rings.",
        "stitching_description": "photos 3 and 4: Visible stitching around the interior pocket and lining; detail is limited but no obvious Coach-specific construction is visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0028,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.35,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a small handbag with a structured evening-purse silhouette.",
                    "photo 3: Interior and frame construction are visible, allowing comparison with Coach construction."
                ],
                "negative_evidence": [
                    "photo 1: Exterior is extensively covered in multicolor beads and vertical bugle beads rather than Coach leather, suede, or recognized Coach canvas.",
                    "photo 3: Interior is white satin-like fabric with a sewn slip pocket; no leather Coach creed patch is visible.",
                    "photo 5: Frame has a paired cylindrical kiss-lock closure, not a recognizable vintage Coach turnlock.",
                    "photo 1: Thin chain shoulder strap and beaded decoration are not characteristic of the listed classic Coach handbag models.",
                    "photo 1: No visible COACH wordmark, horse-and-carriage, or leather hangtag."
                ],
                "missing_information": [
                    "photo 3: A closer, well-lit view of any interior label or maker's mark would confirm whether another brand is present.",
                    "photo 1: Bottom, side, and back views are not provided in detail.",
                    "photo 3: The interior is shown, but the lining's label area and all seams are not close enough for a definitive maker identification."
                ],
                "authenticity_concerns": [
                    "photo 1: The materials and decorative construction are inconsistent with the vintage Coach leather handbag population.",
                    "photo 3: Fabric-lined beaded construction and a kiss-lock frame do not match the classic Coach identifiers expected for a Coach attribution."
                ],
                "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, and 6: Silver-tone metal frame with paired cylindrical kiss-lock knobs; finish appears worn or tarnished. Thin silver-tone chain strap attaches at both sides.",
                    "leather_description": "photos 1 and 2: No leather exterior is visible; exterior is covered with dense glass or plastic beads and bugle beads.",
                    "lining_description": "photos 3 and 4: Light white satin-like fabric lining with a sewn rectangular slip pocket; visible wrinkling and some discoloration near the opening.",
                    "strap_construction": "photos 1 and 2: Single thin metal chain shoulder strap attached to side rings.",
                    "stitching_description": "photos 3 and 4: Visible stitching around the interior pocket and lining; detail is limited but no obvious Coach-specific construction is visible."
                },
                "possible_model_reasoning": [
                    "The bag is most consistent with a vintage-style beaded evening clutch or frame purse, not a catalogued Coach model.",
                    "The beaded exterior, satin lining, chain strap, and kiss-lock frame are common evening-bag construction cues but provide no Coach attribution.",
                    "Condition: Good; beads and frame are largely intact, but the metal closure shows visible wear\/tarnish and the lining is wrinkled with localized discoloration (photos 3, 5, and 6)."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 8,
                "estimated_resale_low": 8,
                "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": 0.7,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "No Coach identifiers visible; no creed patch, wordmark, or hangtag to verify (photos 1-6)",
                    "No maker label visible in interior; interior pocket empty with no tags shown (photos 3-4)"
                ],
                "negative_evidence": [
                    "photo 1: all-over glass beading on textile base, not glove-tanned leather",
                    "photo 3: white satin lining with slip pocket, not unlined suede interior",
                    "photo 1: kisslock frame closure with snake-chain strap, no turnlock, no solid brass hardware",
                    "photo 5: silver-tone plated frame with wear, not solid brass vintage Coach hardware",
                    "photo 1-2: beaded evening clutch silhouette matches excluded materials list (beads)"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone kisslock frame with cylindrical clasp knobs showing plating wear; thin snake-chain shoulder strap attached with small rings",
                    "leather_description": "no leather visible; exterior is glass seed beads and bugle beads in white\/clear with multicolor accents on textile base",
                    "lining_description": "white\/ivory satin lining with small slip pocket, visible in photos 3-4",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "thin silver-tone metal snake-chain shoulder strap, fixed length",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Not a Coach silhouette; beaded kisslock evening bag is an excluded material category per skill, so no Coach model applies",
                    "Condition: Good to Very Good for beaded vintage; beadwork largely intact in photos 1-2, frame shows plating wear\/tarnish in photos 5-6, lining appears clean in photos 3-4"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 20629,
            "output_tokens": 831,
            "total_tokens": 21460,
            "estimated_cost_usd": 0.010246
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 21221,
            "output_tokens": 914,
            "total_tokens": 22135,
            "estimated_cost_usd": 0.004975
        }
    ]
}