Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.015,
    "vintage_probability": 0.74,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.88,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.91,
    "recommended_max_bid": 11.5,
    "estimated_resale_low": 15,
    "estimated_resale_high": 42.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag with a structured beaded body and top handle.",
        "photo 3: Vintage-style metal kiss-lock frame and textile lining are visible."
    ],
    "negative_evidence": [
        "photo 1: The bag is extensively covered in white beads and metallic mesh rather than Coach's typical leather, suede, or documented Cashin-era constructions.",
        "photo 1: No COACH wordmark, horse-and-carriage mark, leather hangtag, or other Coach identifier is visible.",
        "photo 3: The closure is a rectangular kiss-lock frame, not a recognizable Coach turnlock or classic Coach closure.",
        "photo 3: The interior has a fabric lining and no visible Coach creed patch.",
        "photo 4: The exterior construction and geometric beadwork are characteristic of a vintage beaded evening bag, not a catalogued Coach leather model.",
        "photo 5: The ruler indicates a small evening-bag scale, with no Coach-specific construction details visible.",
        "photo 1: entire body and handle made of white beads on mesh, not glove-tanned leather",
        "photo 3: kisslock frame closure with silver-tone metal, not Coach turnlock with solid brass",
        "photo 3: plain off-white fabric lining, no creed patch on back wall",
        "photo 1-5: no COACH wordmark, horse-and-carriage, hangtag, or brass hardware visible",
        "photo 2: close-up shows plastic\/glass beads and textile mesh, excluded material"
    ],
    "missing_information": [
        "Photo of the entire interior emptied, including all seams and pockets, to confirm whether any label or stamped mark is present.",
        "Close-up photos of the frame, kiss-lock hardware, and any interior or underside labels.",
        "Back, bottom, side, and handle-attachment views to assess construction and condition.",
        "Seller-stated dimensions and information about missing beads, odor, stains, or frame function.",
        "No further Coach-specific photos warranted - construction already excludes Coach; interior brand label close-up would only confirm generic maker"
    ],
    "authenticity_concerns": [
        "The visible materials and evening-bag design do not align with the documented Coach handbag population.",
        "No Coach identifier is visible; the item appears to be an unbranded vintage beaded evening bag rather than a Coach bag.",
        "photo 1-5: beaded evening-bag construction is an excluded material per triage - Coach did not make beaded bags",
        "photo 1-5: no creed patch, no COACH wordmark, no hangtag, no glove-tanned leather or solid-brass hardware visible"
    ],
    "possible_model_reasoning": [
        "photo 1: The silhouette, bead-covered handle, geometric beadwork, and kiss-lock frame fit a vintage beaded evening bag, not a documented Coach model.",
        "photo 3: The visible kiss-lock frame and fabric lining are compatible with mid-century evening-bag construction but provide no Coach attribution.",
        "Condition: Good to Very Good visually; the bag appears structurally intact, but the lining has visible discoloration and the condition of individual beads, seams, and frame function is not fully established.",
        "Not a Coach silhouette - white beaded kisslock evening bag matches 1950s-1960s generic evening-bag type, not any Coach catalog style in 4.1-4.3",
        "Construction excludes Coach: beads, kisslock, fabric lining vs unlined glove-tanned + brass turnlock expected for vintage Coach",
        "Condition: Good; light interior staining and frame tarnish visible in photo 3, beads appear intact in photos 1-2"
    ],
    "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 3: Rectangular metal kiss-lock frame with two ball-ended clasp posts; finish appears darkened\/tarnished in places with brighter metal at the clasp.",
        "leather_description": "photo 1: No leather body or leather trim is visible; the exterior is densely covered with white beads and metallic-looking beadwork.",
        "lining_description": "photo 3: Light cream fabric lining is visible, with noticeable discoloration or stains and wrinkling.",
        "strap_construction": "photo 1: Short fixed top handle densely covered in matching beads; no detachable or adjustable strap is visible.",
        "stitching_description": "photo 2: Beadwork is arranged in regular rows and geometric motifs; underlying stitching quality and seam construction are not fully visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0004,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.78,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "pre-1975 (Cashin \/ pre-creed)",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag with a structured beaded body and top handle.",
                    "photo 3: Vintage-style metal kiss-lock frame and textile lining are visible."
                ],
                "negative_evidence": [
                    "photo 1: The bag is extensively covered in white beads and metallic mesh rather than Coach's typical leather, suede, or documented Cashin-era constructions.",
                    "photo 1: No COACH wordmark, horse-and-carriage mark, leather hangtag, or other Coach identifier is visible.",
                    "photo 3: The closure is a rectangular kiss-lock frame, not a recognizable Coach turnlock or classic Coach closure.",
                    "photo 3: The interior has a fabric lining and no visible Coach creed patch.",
                    "photo 4: The exterior construction and geometric beadwork are characteristic of a vintage beaded evening bag, not a catalogued Coach leather model.",
                    "photo 5: The ruler indicates a small evening-bag scale, with no Coach-specific construction details visible."
                ],
                "missing_information": [
                    "Photo of the entire interior emptied, including all seams and pockets, to confirm whether any label or stamped mark is present.",
                    "Close-up photos of the frame, kiss-lock hardware, and any interior or underside labels.",
                    "Back, bottom, side, and handle-attachment views to assess construction and condition.",
                    "Seller-stated dimensions and information about missing beads, odor, stains, or frame function."
                ],
                "authenticity_concerns": [
                    "The visible materials and evening-bag design do not align with the documented Coach handbag population.",
                    "No Coach identifier is visible; the item appears to be an unbranded vintage beaded evening bag rather than a Coach bag."
                ],
                "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 3: Rectangular metal kiss-lock frame with two ball-ended clasp posts; finish appears darkened\/tarnished in places with brighter metal at the clasp.",
                    "leather_description": "photo 1: No leather body or leather trim is visible; the exterior is densely covered with white beads and metallic-looking beadwork.",
                    "lining_description": "photo 3: Light cream fabric lining is visible, with noticeable discoloration or stains and wrinkling.",
                    "strap_construction": "photo 1: Short fixed top handle densely covered in matching beads; no detachable or adjustable strap is visible.",
                    "stitching_description": "photo 2: Beadwork is arranged in regular rows and geometric motifs; underlying stitching quality and seam construction are not fully visible."
                },
                "possible_model_reasoning": [
                    "photo 1: The silhouette, bead-covered handle, geometric beadwork, and kiss-lock frame fit a vintage beaded evening bag, not a documented Coach model.",
                    "photo 3: The visible kiss-lock frame and fabric lining are compatible with mid-century evening-bag construction but provide no Coach attribution.",
                    "Condition: Good to Very Good visually; the bag appears structurally intact, but the lining has visible discoloration and the condition of individual beads, seams, and frame function is not fully established."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 15,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-5: beaded evening-bag construction is an excluded material per triage - Coach did not make beaded bags",
                    "photo 1-5: no creed patch, no COACH wordmark, no hangtag, no glove-tanned leather or solid-brass hardware visible"
                ],
                "authenticity_confidence": 0.01,
                "coach_probability": 0.01,
                "confidence": 0.92,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.85,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No further Coach-specific photos warranted - construction already excludes Coach; interior brand label close-up would only confirm generic maker"
                ],
                "negative_evidence": [
                    "photo 1: entire body and handle made of white beads on mesh, not glove-tanned leather",
                    "photo 3: kisslock frame closure with silver-tone metal, not Coach turnlock with solid brass",
                    "photo 3: plain off-white fabric lining, no creed patch on back wall",
                    "photo 1-5: no COACH wordmark, horse-and-carriage, hangtag, or brass hardware visible",
                    "photo 2: close-up shows plastic\/glass beads and textile mesh, excluded material"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone kisslock frame with ball clasps; tarnish\/wear on frame visible in photo 3; not solid brass turnlock",
                    "leather_description": "no leather visible; white faux-pearl beads with clear accent beads on woven mesh",
                    "lining_description": "off-white \/ cream fabric lining visible in photo 3 with light staining\/discoloration",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible; no leather stitching - beaded mesh construction",
                    "strap_construction": "fixed beaded top handle continuous with body, no leather strap or brass clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Not a Coach silhouette - white beaded kisslock evening bag matches 1950s-1960s generic evening-bag type, not any Coach catalog style in 4.1-4.3",
                    "Construction excludes Coach: beads, kisslock, fabric lining vs unlined glove-tanned + brass turnlock expected for vintage Coach",
                    "Condition: Good; light interior staining and frame tarnish visible in photo 3, beads appear intact in photos 1-2"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.7
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 25122,
            "output_tokens": 1010,
            "total_tokens": 26132,
            "estimated_cost_usd": 0.012473
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 26178,
            "output_tokens": 1411,
            "total_tokens": 27589,
            "estimated_cost_usd": 0.006364
        }
    ]
}