Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.26,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.845,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.875,
    "recommended_max_bid": 9,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather handbag with a top handle and structured satchel shape.",
        "photo 4: the interior appears to contain a gold-colored generic leather-related stamp, but no legible Coach branding is visible.",
        "photo 1, photo 2, photo 6: genuine leather handbag in a vintage-style frame shape",
        "photo 1-3: leather handle and body construction consistent with mid-century style kisslock bags"
    ],
    "negative_evidence": [
        "photo 1: prominent rose-shaped decorative clasp is not a Coach turnlock and resembles a generic or lookalike handbag closure.",
        "photo 4: fabric-lined interior and tan slip-pocket lining do not match the unlined suede interiors typical of classic vintage Coach glove-tanned bags.",
        "photo 4: no rectangular sewn Coach creed patch or readable serial\/style number is visible.",
        "photo 5: hardware is bright, ornate, and plated-looking rather than the restrained solid-brass hardware typical of many vintage Coach classics.",
        "photo 1: the heavily wrinkled, soft leather and gathered flap construction do not closely match a documented Coach classic silhouette.",
        "photo 2: seller lists the item as unbranded, with no independent Coach claim.",
        "photo 4: interior shows fabric lining with gold-foil GENUINE LEATHER plus script brand stamp, not a Coach creed patch and not Coach wording",
        "photo 1, photo 2, photo 5: closure is a decorative rose kisslock\/clasp, not a Coach turnlock and not Coach turnlock geometry",
        "photo 1-6: no COACH wordmark, no horse-and-carriage, no leather creed patch, no hangtag visible",
        "photo 4: fully fabric-lined interior with slip pocket, not unlined suede-back glove-tanned classic Coach construction",
        "photo 1, photo 2, photo 3: gathered frame purse silhouette with short top handle on split rings does not match any catalog Coach classic style"
    ],
    "missing_information": [
        "photo 4: close-up, straight-on photograph of every interior label or stamp at higher resolution.",
        "photo 4: photograph of the entire interior emptied, including all seams and pockets, to confirm that no hidden brand tag is present.",
        "photo 5: close-up of the clasp and any zipper or hardware markings.",
        "seller-stated dimensions and country-of-origin information.",
        "seller-stated dimensions and weight not provided",
        "close-up of interior brand stamp text to identify actual maker (photo 4: gold stamp reads GENUINE LEATHER plus cursive name, not legible)"
    ],
    "authenticity_concerns": [
        "photo 1: oversized floral clasp is a lookalike-brand cue and is not characteristic of the cataloged vintage Coach closures.",
        "photo 4: absence of a visible creed, serial number, Coach wordmark, or horse-and-carriage identifier substantially weakens a Coach attribution.",
        "photo 4: fabric lining conflicts with the construction expected for many vintage Coach leather classics."
    ],
    "possible_model_reasoning": [
        "The silhouette is a gathered kiss-lock top-handle satchel, but it does not match the documented Coach Willis, Court, Station, Dinky, or other listed classic models.",
        "The rose clasp and fabric-lined gathered construction are more consistent with a generic vintage-style leather handbag than with a Coach catalog style.",
        "Condition: Good; substantial wrinkling and creasing across the flap and body, visible interior lining wear\/fraying, but no obvious holes or broken hardware in the supplied photos.",
        "No Coach model fits: rose kisslock frame bag with fabric lining and non-Coach interior stamp is inconsistent with Cashin kisslock Coach bags which would have NYC-era labels, striped lining or early hardware, and inconsistent with 1970s-1990s classics which use turnlock, unlined glove-tanned leather and creed patch",
        "Condition: Good; photo 1-2 show creasing and softening, photo 6 shows scuffs and edge soiling on bottom\/side, photo 4 shows interior lining intact with minor fray at pocket edge"
    ],
    "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": "Bright gold\/silver-toned ornate rose-shaped clasp with additional small gold-tone rings and hinge hardware visible in photos 1, 3, and 5; no Coach engraving is visible.",
        "leather_description": "Blue\/turquoise-colored leather with extensive natural-looking wrinkling and creasing, especially across the flap; surface appears worn but intact in photos 1, 2, and 6.",
        "lining_description": "Blue fabric lining is clearly visible, with a contrasting tan interior slip-pocket panel in photo 4; some fraying is visible near the upper-right interior seam.",
        "strap_construction": "Single attached top handle with stitched leather sections and small rings at the attachment points, visible in photos 1 and 3; no detachable shoulder strap is visible.",
        "stitching_description": "Visible perimeter and handle stitching is generally straight and machine-sewn, with localized wear and uneven-looking areas at handle attachments in photos 1, 3, and 6."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0035,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.12,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather handbag with a top handle and structured satchel shape.",
                    "photo 4: the interior appears to contain a gold-colored generic leather-related stamp, but no legible Coach branding is visible."
                ],
                "negative_evidence": [
                    "photo 1: prominent rose-shaped decorative clasp is not a Coach turnlock and resembles a generic or lookalike handbag closure.",
                    "photo 4: fabric-lined interior and tan slip-pocket lining do not match the unlined suede interiors typical of classic vintage Coach glove-tanned bags.",
                    "photo 4: no rectangular sewn Coach creed patch or readable serial\/style number is visible.",
                    "photo 5: hardware is bright, ornate, and plated-looking rather than the restrained solid-brass hardware typical of many vintage Coach classics.",
                    "photo 1: the heavily wrinkled, soft leather and gathered flap construction do not closely match a documented Coach classic silhouette.",
                    "photo 2: seller lists the item as unbranded, with no independent Coach claim."
                ],
                "missing_information": [
                    "photo 4: close-up, straight-on photograph of every interior label or stamp at higher resolution.",
                    "photo 4: photograph of the entire interior emptied, including all seams and pockets, to confirm that no hidden brand tag is present.",
                    "photo 5: close-up of the clasp and any zipper or hardware markings.",
                    "seller-stated dimensions and country-of-origin information."
                ],
                "authenticity_concerns": [
                    "photo 1: oversized floral clasp is a lookalike-brand cue and is not characteristic of the cataloged vintage Coach closures.",
                    "photo 4: absence of a visible creed, serial number, Coach wordmark, or horse-and-carriage identifier substantially weakens a Coach attribution.",
                    "photo 4: fabric lining conflicts with the construction expected for many vintage Coach leather classics."
                ],
                "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": "Bright gold\/silver-toned ornate rose-shaped clasp with additional small gold-tone rings and hinge hardware visible in photos 1, 3, and 5; no Coach engraving is visible.",
                    "leather_description": "Blue\/turquoise-colored leather with extensive natural-looking wrinkling and creasing, especially across the flap; surface appears worn but intact in photos 1, 2, and 6.",
                    "lining_description": "Blue fabric lining is clearly visible, with a contrasting tan interior slip-pocket panel in photo 4; some fraying is visible near the upper-right interior seam.",
                    "strap_construction": "Single attached top handle with stitched leather sections and small rings at the attachment points, visible in photos 1 and 3; no detachable shoulder strap is visible.",
                    "stitching_description": "Visible perimeter and handle stitching is generally straight and machine-sewn, with localized wear and uneven-looking areas at handle attachments in photos 1, 3, and 6."
                },
                "possible_model_reasoning": [
                    "The silhouette is a gathered kiss-lock top-handle satchel, but it does not match the documented Coach Willis, Court, Station, Dinky, or other listed classic models.",
                    "The rose clasp and fabric-lined gathered construction are more consistent with a generic vintage-style leather handbag than with a Coach catalog style.",
                    "Condition: Good; substantial wrinkling and creasing across the flap and body, visible interior lining wear\/fraying, but no obvious holes or broken hardware in the supplied photos."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 10,
                "estimated_resale_low": 15,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.78,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "seller-stated dimensions and weight not provided",
                    "close-up of interior brand stamp text to identify actual maker (photo 4: gold stamp reads GENUINE LEATHER plus cursive name, not legible)"
                ],
                "negative_evidence": [
                    "photo 4: interior shows fabric lining with gold-foil GENUINE LEATHER plus script brand stamp, not a Coach creed patch and not Coach wording",
                    "photo 1, photo 2, photo 5: closure is a decorative rose kisslock\/clasp, not a Coach turnlock and not Coach turnlock geometry",
                    "photo 1-6: no COACH wordmark, no horse-and-carriage, no leather creed patch, no hangtag visible",
                    "photo 4: fully fabric-lined interior with slip pocket, not unlined suede-back glove-tanned classic Coach construction",
                    "photo 1, photo 2, photo 3: gathered frame purse silhouette with short top handle on split rings does not match any catalog Coach classic style"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone kiss-frame with large sculpted rose clasp on front (photo 1, photo 5); small gold hinge and rings for handle (photo 2, photo 3, photo 4); not solid brass Coach turnlock hardware",
                    "leather_description": "smooth turquoise-blue leather with soft grain and gathering at frame, some creasing and surface scuffs (photo 1, photo 2, photo 6)",
                    "lining_description": "matching turquoise-blue woven fabric lining with interior slip pocket trimmed in tan grosgrain (photo 4)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-on-tone edge stitching on frame binding and handle, even but not shown in close-up detail",
                    "strap_construction": "single short fixed-length top handle in matching leather attached with small metal rings, not adjustable and not dogleash or buckle construction (photo 1, photo 2, photo 3)",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1, photo 2, photo 6: genuine leather handbag in a vintage-style frame shape",
                    "photo 1-3: leather handle and body construction consistent with mid-century style kisslock bags"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: rose kisslock frame bag with fabric lining and non-Coach interior stamp is inconsistent with Cashin kisslock Coach bags which would have NYC-era labels, striped lining or early hardware, and inconsistent with 1970s-1990s classics which use turnlock, unlined glove-tanned leather and creed patch",
                    "Condition: Good; photo 1-2 show creasing and softening, photo 6 shows scuffs and edge soiling on bottom\/side, photo 4 shows interior lining intact with minor fray at pocket edge"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.4
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28683,
            "output_tokens": 981,
            "total_tokens": 29664,
            "estimated_cost_usd": 0.013828
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30001,
            "output_tokens": 1651,
            "total_tokens": 31652,
            "estimated_cost_usd": 0.007321
        }
    ]
}