Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.03,
    "vintage_probability": 0.425,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.06,
    "confidence": 0.78,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 10,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 2: clearly a handbag-sized framed clutch with a short chain strap.",
        "photo 1: visible leather-like pebbled exterior surface.",
        "photo 6: fabric lining is visible, but no legible Coach identifier appears.",
        "photo 4-5: genuine-appearing soft black leather clutch, the population where vintage bags hide",
        "photo 4-5: size ~8-9 in wide per tape measure, consistent with vintage evening clutch scale"
    ],
    "negative_evidence": [
        "photo 2: the bag has a kisslock\/frame-clutch construction rather than a recognizable vintage Coach turnlock silhouette.",
        "photos 1-3: prominent hand-painted skull and floral artwork covers the exterior; no COACH wordmark, carriage, hangtag, or creed is visible.",
        "photos 4-5: exterior back is plain and shows no Coach branding or leather creed patch.",
        "photo 6: lining shows no legible Coach label or creed; the faint marking is unreadable.",
        "photos 4-6: shiny gold-tone frame hardware and chain strap are not characteristic evidence of a classic Coach model.",
        "photo 1-5: kisslock frame clutch with silver-tone snake-chain wrist strap, no turnlock, no Coach silhouette match",
        "photo 6: dark ribbed fabric lining, not unlined suede-back glove-tanned leather expected for vintage Coach classics",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photo 6: faint oval lining stamp appears to read GENUINE LEATHER, not Coach creed wording",
        "photo 2,4,5: gold-tone kisslock frame with silver-tone chain - mixed hardware tones"
    ],
    "missing_information": [
        "Interior emptied and photographed straight-on, including all pockets and seams.",
        "Close-up of any interior label, maker stamp, artist signature, or country-of-origin mark.",
        "Clear photos of the clasp, chain attachment points, bottom, corners, and strap.",
        "Confirmation whether the faint interior marking in photo 6 is a maker label or only wear\/print transfer.",
        "photo 6: interior lining stamp is out of focus and illegible - straight-on well-lit photo needed to rule out any brand mark",
        "no creed patch shown - photo of interior back wall \/ slip pocket needed",
        "no bottom, side, or scale views beyond tape measure in photos 4-5",
        "no hardware brand stamps shown"
    ],
    "authenticity_concerns": [
        "No Coach-specific identifier is visible in the provided photos.",
        "The construction and decorative treatment are more consistent with an independently made or artist-altered framed clutch than a cataloged vintage Coach handbag.",
        "The seller's claim that it is vintage and signed by an artist is not independently verifiable from the photos."
    ],
    "possible_model_reasoning": [
        "No Coach model is a plausible match: the frame clutch, chain handle, painted artwork, and absence of a creed or wordmark do not align with the listed classic Coach silhouettes.",
        "The visible dimensions are approximately 9 inches wide by 7 inches high from photos 4-5, supporting a small framed clutch rather than a standard Coach turnlock shoulder bag.",
        "Condition: Good to Very Good visually; leather shows creasing and general handling wear (photos 4-5), while painted artwork appears largely intact. Interior condition and odor are unknown.",
        "No Coach catalog match: kisslock frame + fabric lining + chain wristlet does not match City Bag (9790), Willis (9927), Dinky (9375), Convertible Clutch (9635) or Cashin kisslock types which would have NYC leather construction and labels, none seen",
        "Era cannot be decoded with no creed, serial, or wordmark; hand-painted OOAK alteration obscures original finish",
        "Condition: Good to Very Good as altered art piece; leather intact with no tears seen, but original finish destroyed by overpaint for collector purposes; interior not fully shown so lining condition unknown"
    ],
    "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": "Gold-tone metal kisslock frame with a small rounded clasp and a silver-tone flexible chain strap; no Coach engraving is visible.",
        "leather_description": "Black pebbled leather-like exterior with extensive pink, turquoise, green, white, and red hand-painted artwork; exact leather type is not verifiable.",
        "lining_description": "Black ribbed fabric lining visible in photo 6; no legible brand label.",
        "strap_construction": "Short flexible chain strap attached at two points on the framed top; no leather shoulder strap visible.",
        "stitching_description": "Exterior seams and frame attachment are partly visible, but stitching quality and interior construction are not sufficiently shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0034,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.35,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 2: clearly a handbag-sized framed clutch with a short chain strap.",
                    "photo 1: visible leather-like pebbled exterior surface.",
                    "photo 6: fabric lining is visible, but no legible Coach identifier appears."
                ],
                "negative_evidence": [
                    "photo 2: the bag has a kisslock\/frame-clutch construction rather than a recognizable vintage Coach turnlock silhouette.",
                    "photos 1-3: prominent hand-painted skull and floral artwork covers the exterior; no COACH wordmark, carriage, hangtag, or creed is visible.",
                    "photos 4-5: exterior back is plain and shows no Coach branding or leather creed patch.",
                    "photo 6: lining shows no legible Coach label or creed; the faint marking is unreadable.",
                    "photos 4-6: shiny gold-tone frame hardware and chain strap are not characteristic evidence of a classic Coach model."
                ],
                "missing_information": [
                    "Interior emptied and photographed straight-on, including all pockets and seams.",
                    "Close-up of any interior label, maker stamp, artist signature, or country-of-origin mark.",
                    "Clear photos of the clasp, chain attachment points, bottom, corners, and strap.",
                    "Confirmation whether the faint interior marking in photo 6 is a maker label or only wear\/print transfer."
                ],
                "authenticity_concerns": [
                    "No Coach-specific identifier is visible in the provided photos.",
                    "The construction and decorative treatment are more consistent with an independently made or artist-altered framed clutch than a cataloged vintage Coach handbag.",
                    "The seller's claim that it is vintage and signed by an artist is not independently verifiable from the photos."
                ],
                "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": "Gold-tone metal kisslock frame with a small rounded clasp and a silver-tone flexible chain strap; no Coach engraving is visible.",
                    "leather_description": "Black pebbled leather-like exterior with extensive pink, turquoise, green, white, and red hand-painted artwork; exact leather type is not verifiable.",
                    "lining_description": "Black ribbed fabric lining visible in photo 6; no legible brand label.",
                    "strap_construction": "Short flexible chain strap attached at two points on the framed top; no leather shoulder strap visible.",
                    "stitching_description": "Exterior seams and frame attachment are partly visible, but stitching quality and interior construction are not sufficiently shown."
                },
                "possible_model_reasoning": [
                    "No Coach model is a plausible match: the frame clutch, chain handle, painted artwork, and absence of a creed or wordmark do not align with the listed classic Coach silhouettes.",
                    "The visible dimensions are approximately 9 inches wide by 7 inches high from photos 4-5, supporting a small framed clutch rather than a standard Coach turnlock shoulder bag.",
                    "Condition: Good to Very Good visually; leather shows creasing and general handling wear (photos 4-5), while painted artwork appears largely intact. Interior condition and odor are unknown."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.7,
                "estimated_era": "unknown",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo 6: interior lining stamp is out of focus and illegible - straight-on well-lit photo needed to rule out any brand mark",
                    "no creed patch shown - photo of interior back wall \/ slip pocket needed",
                    "no bottom, side, or scale views beyond tape measure in photos 4-5",
                    "no hardware brand stamps shown"
                ],
                "negative_evidence": [
                    "photo 1-5: kisslock frame clutch with silver-tone snake-chain wrist strap, no turnlock, no Coach silhouette match",
                    "photo 6: dark ribbed fabric lining, not unlined suede-back glove-tanned leather expected for vintage Coach classics",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photo 6: faint oval lining stamp appears to read GENUINE LEATHER, not Coach creed wording",
                    "photo 2,4,5: gold-tone kisslock frame with silver-tone chain - mixed hardware tones"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone kisslock frame with ball clasp (photo 6) and thin silver-tone snake-chain wrist strap (photos 4-5); mixed tones, not solid brass Coach hardware",
                    "leather_description": "black smooth leather with soft drape and wrinkles, overpainted with pink floral \/ skull \/ butterfly art on one face (photos 1-3); plain black on reverse (photos 4-5)",
                    "lining_description": "dark navy\/black ribbed grosgrain-type fabric lining visible in photo 6 with faint oval stamp, not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "short thin silver-tone metal snake-chain wrist strap attached to frame ends (photos 2,4,5)",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 4-5: genuine-appearing soft black leather clutch, the population where vintage bags hide",
                    "photo 4-5: size ~8-9 in wide per tape measure, consistent with vintage evening clutch scale"
                ],
                "possible_model_reasoning": [
                    "No Coach catalog match: kisslock frame + fabric lining + chain wristlet does not match City Bag (9790), Willis (9927), Dinky (9375), Convertible Clutch (9635) or Cashin kisslock types which would have NYC leather construction and labels, none seen",
                    "Era cannot be decoded with no creed, serial, or wordmark; hand-painted OOAK alteration obscures original finish",
                    "Condition: Good to Very Good as altered art piece; leather intact with no tears seen, but original finish destroyed by overpaint for collector purposes; interior not fully shown so lining condition unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.04,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18270,
            "output_tokens": 846,
            "total_tokens": 19116,
            "estimated_cost_usd": 0.009338
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18840,
            "output_tokens": 1371,
            "total_tokens": 20211,
            "estimated_cost_usd": 0.004865
        }
    ]
}