Vintage Coach Hunter

{
    "is_handbag_probability": 0.97,
    "coach_probability": 0.015,
    "vintage_probability": 0.525,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.795,
    "seller_misidentification_probability": 0.11,
    "confidence": 0.9,
    "recommended_max_bid": 8,
    "estimated_resale_low": 9,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the bag is covered in dense white beadwork with a decorative evening-bag design, unlike Coach's typical leather, canvas, or documented beadwork lines",
        "photo 2: scalloped double flap and pearl-like bead pattern are visible, with no Coach wordmark, carriage, creed, or recognizable Coach hardware",
        "photo 4: interior appears satin-lined and has no visible leather creed patch or fabric Coach label",
        "photo 5: the closure and construction appear like a generic beaded evening purse rather than a vintage Coach turnlock bag",
        "photo 3: visible beadwork has at least one apparent missing or displaced bead, consistent with the seller's condition note",
        "photo 1: all-over white glass-bead \/ faux-pearl beaded body with clamshell flap - excluded material per skill: beads",
        "photo 4-6: shiny off-white satin lining with small slip pocket, not unlined suede-back glove-tanned leather",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 1-2: thin braided cord shoulder strap, no solid-brass hardware, turnlock, buckle or dogleash clips",
        "photo 3: discoloration and bead loss consistent with generic vintage beaded evening bag"
    ],
    "missing_information": [
        "photo 4-6: no clear close-up of any interior label, brand stamp, or closure hardware",
        "photo 1-3: no underside, side-seam, or strap-attachment close-ups",
        "Seller-stated material, maker, and approximate production date are unavailable",
        "No Coach identifiers visible; no further Coach-specific photos needed as construction already excludes Coach"
    ],
    "authenticity_concerns": [
        "No Coach identifiers or Coach-specific construction are visible; this appears to be a generic beaded evening bag rather than a Coach product",
        "photo 1-6: entirely beaded textile construction with satin lining is inconsistent with any Coach glove-tanned or canvas line",
        "photo 1-6: no creed patch, wordmark, hangtag, or solid-brass hardware visible to support Coach manufacture"
    ],
    "possible_model_reasoning": [
        "No Coach model is a plausible match: the beaded clamshell evening-purse silhouette and satin lining do not correspond to the listed vintage Coach leather models.",
        "photo 1-5: likely a generic vintage or vintage-style beaded formal shoulder bag; exact maker and date cannot be determined.",
        "Condition: Good; seller reports discoloration, interior marks, and possible missing beads, while photo 3 shows apparent beadwork damage. Odor and hidden structural damage are unknown.",
        "Silhouette is a beaded clamshell-flap evening shoulder bag, not a catalog Coach classic shape; no turnlock, no glove-tanned leather, no creed",
        "Construction (beads, satin lining, cord strap) points to generic 1960s-1990s evening bag, not Coach; Coach never made beaded bags as core line",
        "Condition: Good; photo 3: small discoloration and few missing beads on flap, photo 4-6: interior marks on satin"
    ],
    "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 branded hardware is visible; a thin braided\/beaded shoulder strap is visible",
        "leather_description": "photo 1-5: no leather exterior is visible; exterior appears to be densely beaded textile or mesh",
        "lining_description": "photo 4-5: light satin-like textile lining is visible, with marks and discoloration",
        "strap_construction": "photo 1-5: long thin braided or beaded shoulder strap attached at the sides",
        "stitching_description": "photo 3-5: textile\/beadwork seams and lining seams are visible; detailed stitching quality is not clearly assessable"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0016,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.01,
                "vintage_probability": 0.55,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.84,
                "seller_misidentification_probability": 0.2,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag is covered in dense white beadwork with a decorative evening-bag design, unlike Coach's typical leather, canvas, or documented beadwork lines",
                    "photo 2: scalloped double flap and pearl-like bead pattern are visible, with no Coach wordmark, carriage, creed, or recognizable Coach hardware",
                    "photo 4: interior appears satin-lined and has no visible leather creed patch or fabric Coach label",
                    "photo 5: the closure and construction appear like a generic beaded evening purse rather than a vintage Coach turnlock bag",
                    "photo 3: visible beadwork has at least one apparent missing or displaced bead, consistent with the seller's condition note"
                ],
                "missing_information": [
                    "photo 4-6: no clear close-up of any interior label, brand stamp, or closure hardware",
                    "photo 1-3: no underside, side-seam, or strap-attachment close-ups",
                    "Seller-stated material, maker, and approximate production date are unavailable"
                ],
                "authenticity_concerns": [
                    "No Coach identifiers or Coach-specific construction are visible; this appears to be a generic beaded evening bag rather than a Coach product"
                ],
                "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 branded hardware is visible; a thin braided\/beaded shoulder strap is visible",
                    "leather_description": "photo 1-5: no leather exterior is visible; exterior appears to be densely beaded textile or mesh",
                    "lining_description": "photo 4-5: light satin-like textile lining is visible, with marks and discoloration",
                    "strap_construction": "photo 1-5: long thin braided or beaded shoulder strap attached at the sides",
                    "stitching_description": "photo 3-5: textile\/beadwork seams and lining seams are visible; detailed stitching quality is not clearly assessable"
                },
                "possible_model_reasoning": [
                    "No Coach model is a plausible match: the beaded clamshell evening-purse silhouette and satin lining do not correspond to the listed vintage Coach leather models.",
                    "photo 1-5: likely a generic vintage or vintage-style beaded formal shoulder bag; exact maker and date cannot be determined.",
                    "Condition: Good; seller reports discoloration, interior marks, and possible missing beads, while photo 3 shows apparent beadwork damage. Odor and hidden structural damage are unknown."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-6: entirely beaded textile construction with satin lining is inconsistent with any Coach glove-tanned or canvas line",
                    "photo 1-6: no creed patch, wordmark, hangtag, or solid-brass hardware visible to support Coach manufacture"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 8,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "No Coach identifiers visible; no further Coach-specific photos needed as construction already excludes Coach"
                ],
                "negative_evidence": [
                    "photo 1: all-over white glass-bead \/ faux-pearl beaded body with clamshell flap - excluded material per skill: beads",
                    "photo 4-6: shiny off-white satin lining with small slip pocket, not unlined suede-back glove-tanned leather",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 1-2: thin braided cord shoulder strap, no solid-brass hardware, turnlock, buckle or dogleash clips",
                    "photo 3: discoloration and bead loss consistent with generic vintage beaded evening bag"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "no solid-brass hardware visible; thin off-white braided cord strap only",
                    "leather_description": "no leather visible; exterior is glass \/ plastic beads and bugle beads on fabric base",
                    "lining_description": "photo 4-6: off-white satin lining with small slip pocket, some marks\/staining",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible; beaded construction, no leather stitching to assess",
                    "strap_construction": "photo 1-2: thin braided cord shoulder strap, continuous",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Silhouette is a beaded clamshell-flap evening shoulder bag, not a catalog Coach classic shape; no turnlock, no glove-tanned leather, no creed",
                    "Construction (beads, satin lining, cord strap) points to generic 1960s-1990s evening bag, not Coach; Coach never made beaded bags as core line",
                    "Condition: Good; photo 3: small discoloration and few missing beads on flap, photo 4-6: interior marks on satin"
                ],
                "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": 17772,
            "output_tokens": 760,
            "total_tokens": 18532,
            "estimated_cost_usd": 0.008933
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18112,
            "output_tokens": 1314,
            "total_tokens": 19426,
            "estimated_cost_usd": 0.004674
        }
    ]
}