Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.04,
    "vintage_probability": 0.595,
    "authenticity_confidence": 0.035,
    "image_quality_score": 0.735,
    "seller_misidentification_probability": 0.06,
    "confidence": 0.795,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Structured frame handbag with a vintage-style kisslock closure and chain handle.",
        "photo 1: Brown gathered exterior has a fashion-vintage silhouette that could superficially resemble older frame bags."
    ],
    "negative_evidence": [
        "photo 1: No legible COACH wordmark, horse-and-carriage, hangtag, or other Coach branding is visible.",
        "photo 3: Interior is fully visible and shows a light fabric\/synthetic lining with no Coach creed patch or fabric brand tag.",
        "photo 3: The closure is a kisslock frame rather than a recognizable Coach turnlock.",
        "photo 1: Chain handle and frame hardware do not provide a distinctive Coach construction cue.",
        "photo 2: Smooth glossy exterior appears more like coated or fashion leather than clearly identifiable glove-tanned Coach leather.",
        "photo 1,2,5: kisslock frame clutch with gathered top - no Coach turnlock, no solid brass turnlock geometry",
        "photo 3,4: white synthetic fabric lining - not unlined suede-back glove-tanned leather expected for vintage Coach classics",
        "photo 1,2,5,6: smooth high-sheen coated-looking material - not matte glove-tanned full-grain with natural grain",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 1,6: thin small-link chain strap and small kisslock clasp - not Coach dogleash, buckle-adjustable leather strap or Cashin hardware"
    ],
    "missing_information": [
        "photo 3: Interior brand label, if one exists, is not visible; request a fully emptied interior and close-up of every pocket and seam.",
        "Request close-ups of the frame, clasp, chain attachments, underside, bottom corners, and any concealed maker marks.",
        "Request seller-stated dimensions and material information.",
        "photo of any maker mark, interior label or stamped patch - none visible in photos 1-6",
        "exterior back, side, bottom views and scale\/dimensions",
        "close-up of frame hardware and chain attachments"
    ],
    "authenticity_concerns": [
        "The visible construction lacks the creed, wordmark, hangtag, or other identifier normally used to support a Coach attribution.",
        "The kisslock frame bag format is widely produced by unbranded and other vintage handbag makers; silhouette alone is not sufficient evidence of Coach manufacture.",
        "The light fabric\/synthetic-looking lining is not characteristic evidence for a classic unlined Coach glove-tanned handbag."
    ],
    "possible_model_reasoning": [
        "No Coach model is assigned because the visible probability of Coach manufacture is very low and the bag lacks Coach identifiers.",
        "The kisslock frame and chain handle suggest a generic vintage or vintage-style evening\/handbag rather than a catalogued classic Coach turnlock model.",
        "Condition: Very Good based on generally clean exterior and intact frame; light creasing\/gathering is visible in photos 1\u20132. Interior cleanliness and odor cannot be assessed fully.",
        "No Coach catalog silhouette match: kisslock gathered frame clutch with chain and synthetic lining does not match City Bag, Willis, Court, Dinky or Cashin kisslock types in leather, lining and hardware",
        "Era reasoning: construction with synthetic lining and thin chain suggests 1980s-2000s generic evening clutch, not NYC\/US glove-tanned era; no identifier to date as Coach",
        "Condition: Very Good to Excellent for a generic bag; exterior looks clean with light sheen variation in photo 2 and photo 5, interior looks clean in photo 3-4, but bottom\/corners and strap wear not fully shown"
    ],
    "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: Metal kisslock frame closure and long chain handle are visible; hardware appears mixed warm metallic tones, but exact finish and construction are unclear.",
        "leather_description": "photo 1: Smooth, glossy medium-brown gathered exterior; material cannot be confirmed as leather from photos.",
        "lining_description": "photo 3: Light-colored fabric or synthetic-looking lining is visible throughout the interior; no label or creed is visible.",
        "strap_construction": "photo 1: Long metal chain handle attached at the frame; attachment details are only partly visible.",
        "stitching_description": "photo 2: Exterior frame and gathered seams appear generally even; detailed stitch quality is not sufficiently visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0098,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.06,
                "vintage_probability": 0.84,
                "authenticity_confidence": 0.05,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.07,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Structured frame handbag with a vintage-style kisslock closure and chain handle.",
                    "photo 1: Brown gathered exterior has a fashion-vintage silhouette that could superficially resemble older frame bags."
                ],
                "negative_evidence": [
                    "photo 1: No legible COACH wordmark, horse-and-carriage, hangtag, or other Coach branding is visible.",
                    "photo 3: Interior is fully visible and shows a light fabric\/synthetic lining with no Coach creed patch or fabric brand tag.",
                    "photo 3: The closure is a kisslock frame rather than a recognizable Coach turnlock.",
                    "photo 1: Chain handle and frame hardware do not provide a distinctive Coach construction cue.",
                    "photo 2: Smooth glossy exterior appears more like coated or fashion leather than clearly identifiable glove-tanned Coach leather."
                ],
                "missing_information": [
                    "photo 3: Interior brand label, if one exists, is not visible; request a fully emptied interior and close-up of every pocket and seam.",
                    "Request close-ups of the frame, clasp, chain attachments, underside, bottom corners, and any concealed maker marks.",
                    "Request seller-stated dimensions and material information."
                ],
                "authenticity_concerns": [
                    "The visible construction lacks the creed, wordmark, hangtag, or other identifier normally used to support a Coach attribution.",
                    "The kisslock frame bag format is widely produced by unbranded and other vintage handbag makers; silhouette alone is not sufficient evidence of Coach manufacture.",
                    "The light fabric\/synthetic-looking lining is not characteristic evidence for a classic unlined Coach glove-tanned handbag."
                ],
                "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: Metal kisslock frame closure and long chain handle are visible; hardware appears mixed warm metallic tones, but exact finish and construction are unclear.",
                    "leather_description": "photo 1: Smooth, glossy medium-brown gathered exterior; material cannot be confirmed as leather from photos.",
                    "lining_description": "photo 3: Light-colored fabric or synthetic-looking lining is visible throughout the interior; no label or creed is visible.",
                    "strap_construction": "photo 1: Long metal chain handle attached at the frame; attachment details are only partly visible.",
                    "stitching_description": "photo 2: Exterior frame and gathered seams appear generally even; detailed stitch quality is not sufficiently visible."
                },
                "possible_model_reasoning": [
                    "No Coach model is assigned because the visible probability of Coach manufacture is very low and the bag lacks Coach identifiers.",
                    "The kisslock frame and chain handle suggest a generic vintage or vintage-style evening\/handbag rather than a catalogued classic Coach turnlock model.",
                    "Condition: Very Good based on generally clean exterior and intact frame; light creasing\/gathering is visible in photos 1\u20132. Interior cleanliness and odor cannot be assessed fully."
                ],
                "confidence": 0.81,
                "recommended_max_bid": 15,
                "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": 0.02,
                "confidence": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.96,
                "missing_information": [
                    "photo of any maker mark, interior label or stamped patch - none visible in photos 1-6",
                    "exterior back, side, bottom views and scale\/dimensions",
                    "close-up of frame hardware and chain attachments"
                ],
                "negative_evidence": [
                    "photo 1,2,5: kisslock frame clutch with gathered top - no Coach turnlock, no solid brass turnlock geometry",
                    "photo 3,4: white synthetic fabric lining - not unlined suede-back glove-tanned leather expected for vintage Coach classics",
                    "photo 1,2,5,6: smooth high-sheen coated-looking material - not matte glove-tanned full-grain with natural grain",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 1,6: thin small-link chain strap and small kisslock clasp - not Coach dogleash, buckle-adjustable leather strap or Cashin hardware"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "kisslock frame with small textured clasp and thin small-link metal chain strap; tone appears brass-tone but small, lightweight and not solid-brass Coach turnlock hardware",
                    "leather_description": "tan\/brown smooth material with high sheen and soft drapey gathers; looks like coated faux\/PU or thin garment leather, not thick matte glove-tanned cowhide",
                    "lining_description": "white\/off-white synthetic fabric lining visible in photo 3 and photo 4, wrinkled, no pockets or creed patch visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - no stitching detail legible",
                    "strap_construction": "thin metal chain, short shoulder length, attached at frame ends with small tabs in photo 4",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach catalog silhouette match: kisslock gathered frame clutch with chain and synthetic lining does not match City Bag, Willis, Court, Dinky or Cashin kisslock types in leather, lining and hardware",
                    "Era reasoning: construction with synthetic lining and thin chain suggests 1980s-2000s generic evening clutch, not NYC\/US glove-tanned era; no identifier to date as Coach",
                    "Condition: Very Good to Excellent for a generic bag; exterior looks clean with light sheen variation in photo 2 and photo 5, interior looks clean in photo 3-4, but bottom\/corners and strap wear not fully shown"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.05,
                "vintage_probability": 0.35
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17729,
            "output_tokens": 862,
            "total_tokens": 18591,
            "estimated_cost_usd": 0.00916
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18065,
            "output_tokens": 1467,
            "total_tokens": 19532,
            "estimated_cost_usd": 0.004787
        }
    ]
}