Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.575,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.855,
    "recommended_max_bid": 16,
    "estimated_resale_low": 17.5,
    "estimated_resale_high": 47.5,
    "possible_models": [],
    "positive_evidence": [
        "Photo 4: clearly a handbag with a compact rectangular silhouette, metal frame closure, and detachable chain shoulder strap.",
        "Photo 1: the exterior appears to use genuine textured snakeskin or snakeskin-like material rather than ordinary fabric.",
        "Photo 5: a small sewn white interior label is present, but its wording is not legible enough to identify the maker."
    ],
    "negative_evidence": [
        "Photo 1: the visible oval\/spiral-like metal emblem is not a recognizable Coach wordmark, horse-and-carriage, or vintage Coach hangtag.",
        "Photos 4\u20136: the bag has a kisslock frame and chain strap, but no visible Coach creed, serial\/style number, or Coach branding.",
        "Photos 1\u20134: snakeskin panels are arranged in bold black-and-tan stripes and the hardware is bright plated metal, unlike the typical solid-brass glove-tanned leather construction of classic vintage Coach.",
        "Listing text states Made in Spain, but no Coach identifier is visible in the photos; this is seller-provided information and not independently verified.",
        "photo 4: kisslock frame clutch silhouette with thin gold-tone frame, not a Coach turnlock flap catalog silhouette",
        "photo 1, photo 4: patchwork genuine snakeskin in tan and black stripes with zig-zag stitching, not Coach glove-tanned cowhide",
        "photo 2, photo 3, photo 4: kisslock clasp closure, no turnlock present",
        "photo 3, photo 4: thin gold-tone chain crossbody strap on jump rings, not Coach leather strap with brass dogleash clips or buckle adjustment",
        "photo 5, photo 6: black leather lined interior with slip pocket, not unlined suede-back glove-tanned classic interior",
        "photo 6: small white fabric Made in tag visible in interior, seller states Made in Spain - inconsistent with Coach NYC\/US\/Costa Rica 1970s production",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
    ],
    "missing_information": [
        "Photo 5\u20136: a straight-on close-up of the sewn interior label with all text readable.",
        "Photo 5\u20136: the interior base, side seams, and any hidden maker or country stamp.",
        "Photos 1\u20134: close-ups of the emblem, frame hardware, chain attachment points, and reverse side.",
        "Photo 4: full back, bottom, and corners to assess construction and wear.",
        "No Coach creed patch visible - interior shown in photo 5 and photo 6 with no stamped leather creed",
        "No COACH wordmark, hangtag, or hardware stamps visible in any photo",
        "Close-up of white Made in tag in photo 6 is illegible - full text not readable"
    ],
    "authenticity_concerns": [
        "The visible design and emblem do not provide evidence of Coach manufacture and are more consistent with an unbranded or other-maker snakeskin evening bag.",
        "The bright metal frame and chain are not characteristic evidence of a 1970s Coach glove-tanned classic; no period Coach identifier is visible.",
        "The seller's claimed 1970s date and Made in Spain origin cannot be verified from the available photos."
    ],
    "possible_model_reasoning": [
        "No Coach model is a plausible match: the compact frame-purse silhouette, striped snakeskin exterior, chain strap, and oval\/spiral emblem do not correspond to the listed classic Coach silhouettes.",
        "Seller-stated dimensions are approximately 10 inches wide by 6 inches high with a 43-inch strap; these proportions fit a generic vintage-style evening shoulder bag more than a recognizable Coach model.",
        "Condition: Very Good based on the visible exterior and hardware, with minor apparent wear; interior and underside condition are only partially shown, so the grade is capped by incomplete coverage.",
        "No Coach model fits: kisslock snakeskin chain clutch is outside Coach classic glove-tanned turnlock catalog (City Bag, Willis, Court, Dinky, etc.)",
        "Spain origin plus exotic snakeskin plus kisslock frame points to generic 1970s European evening bag, not Coach NYC\/US production",
        "Condition: Very Good to Excellent; snakeskin appears intact with minor wear per seller, frame with light tarnish in photo 2, interior clean in photo 5-6; no corner wear applicable to frame clutch"
    ],
    "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-tone metal kisslock frame with a matching chain strap; a small oval\/spiral-like emblem is visible on the exterior, but no readable brand marking is present.",
        "leather_description": "Textured tan and black striped snakeskin or snakeskin-like exterior is visible; the material type and authenticity of the exotic skin cannot be confirmed from photos alone.",
        "lining_description": "Black leather-like or synthetic-looking lining with a slip pocket and a small sewn white label; label text is not readable.",
        "strap_construction": "Thin gold-tone chain shoulder strap attached at the upper side corners; seller states it can be removed, but the attachment mechanism is only partly visible.",
        "stitching_description": "Visible zigzag and perimeter stitching appears generally regular, with some loose-looking or uneven thread ends along the snakeskin panel seams."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0032,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.45,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "Photo 4: clearly a handbag with a compact rectangular silhouette, metal frame closure, and detachable chain shoulder strap.",
                    "Photo 1: the exterior appears to use genuine textured snakeskin or snakeskin-like material rather than ordinary fabric.",
                    "Photo 5: a small sewn white interior label is present, but its wording is not legible enough to identify the maker."
                ],
                "negative_evidence": [
                    "Photo 1: the visible oval\/spiral-like metal emblem is not a recognizable Coach wordmark, horse-and-carriage, or vintage Coach hangtag.",
                    "Photos 4\u20136: the bag has a kisslock frame and chain strap, but no visible Coach creed, serial\/style number, or Coach branding.",
                    "Photos 1\u20134: snakeskin panels are arranged in bold black-and-tan stripes and the hardware is bright plated metal, unlike the typical solid-brass glove-tanned leather construction of classic vintage Coach.",
                    "Listing text states Made in Spain, but no Coach identifier is visible in the photos; this is seller-provided information and not independently verified."
                ],
                "missing_information": [
                    "Photo 5\u20136: a straight-on close-up of the sewn interior label with all text readable.",
                    "Photo 5\u20136: the interior base, side seams, and any hidden maker or country stamp.",
                    "Photos 1\u20134: close-ups of the emblem, frame hardware, chain attachment points, and reverse side.",
                    "Photo 4: full back, bottom, and corners to assess construction and wear."
                ],
                "authenticity_concerns": [
                    "The visible design and emblem do not provide evidence of Coach manufacture and are more consistent with an unbranded or other-maker snakeskin evening bag.",
                    "The bright metal frame and chain are not characteristic evidence of a 1970s Coach glove-tanned classic; no period Coach identifier is visible.",
                    "The seller's claimed 1970s date and Made in Spain origin cannot be verified from the available 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": "Bright gold-tone metal kisslock frame with a matching chain strap; a small oval\/spiral-like emblem is visible on the exterior, but no readable brand marking is present.",
                    "leather_description": "Textured tan and black striped snakeskin or snakeskin-like exterior is visible; the material type and authenticity of the exotic skin cannot be confirmed from photos alone.",
                    "lining_description": "Black leather-like or synthetic-looking lining with a slip pocket and a small sewn white label; label text is not readable.",
                    "strap_construction": "Thin gold-tone chain shoulder strap attached at the upper side corners; seller states it can be removed, but the attachment mechanism is only partly visible.",
                    "stitching_description": "Visible zigzag and perimeter stitching appears generally regular, with some loose-looking or uneven thread ends along the snakeskin panel seams."
                },
                "possible_model_reasoning": [
                    "No Coach model is a plausible match: the compact frame-purse silhouette, striped snakeskin exterior, chain strap, and oval\/spiral emblem do not correspond to the listed classic Coach silhouettes.",
                    "Seller-stated dimensions are approximately 10 inches wide by 6 inches high with a 43-inch strap; these proportions fit a generic vintage-style evening shoulder bag more than a recognizable Coach model.",
                    "Condition: Very Good based on the visible exterior and hardware, with minor apparent wear; interior and underside condition are only partially shown, so the grade is capped by incomplete coverage."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 20,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "unknown",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach creed patch visible - interior shown in photo 5 and photo 6 with no stamped leather creed",
                    "No COACH wordmark, hangtag, or hardware stamps visible in any photo",
                    "Close-up of white Made in tag in photo 6 is illegible - full text not readable"
                ],
                "negative_evidence": [
                    "photo 4: kisslock frame clutch silhouette with thin gold-tone frame, not a Coach turnlock flap catalog silhouette",
                    "photo 1, photo 4: patchwork genuine snakeskin in tan and black stripes with zig-zag stitching, not Coach glove-tanned cowhide",
                    "photo 2, photo 3, photo 4: kisslock clasp closure, no turnlock present",
                    "photo 3, photo 4: thin gold-tone chain crossbody strap on jump rings, not Coach leather strap with brass dogleash clips or buckle adjustment",
                    "photo 5, photo 6: black leather lined interior with slip pocket, not unlined suede-back glove-tanned classic interior",
                    "photo 6: small white fabric Made in tag visible in interior, seller states Made in Spain - inconsistent with Coach NYC\/US\/Costa Rica 1970s production",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone kisslock frame with rounded clasp tab (photo 2, photo 4, photo 5); thin gold-tone chain strap attached via small jump rings (photo 3, photo 4)",
                    "leather_description": "patchwork snakeskin strips in tan and very dark brown\/black with glossy finish, joined with black zig-zag stitching (photo 1, photo 2, photo 4)",
                    "lining_description": "black smooth lining appearing to be leather, with interior slip pocket (photo 5, photo 6)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "black zig-zag \/ overlock stitching joining snakeskin strips and quilted diagonal lines (photo 1, photo 2)",
                    "strap_construction": "long thin gold-tone metal chain shoulder strap, seller states 43 inches, attached at frame ends (photo 3, photo 4)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: kisslock snakeskin chain clutch is outside Coach classic glove-tanned turnlock catalog (City Bag, Willis, Court, Dinky, etc.)",
                    "Spain origin plus exotic snakeskin plus kisslock frame points to generic 1970s European evening bag, not Coach NYC\/US production",
                    "Condition: Very Good to Excellent; snakeskin appears intact with minor wear per seller, frame with light tarnish in photo 2, interior clean in photo 5-6; no corner wear applicable to frame clutch"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.7
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17768,
            "output_tokens": 948,
            "total_tokens": 18716,
            "estimated_cost_usd": 0.009382
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18103,
            "output_tokens": 1551,
            "total_tokens": 19654,
            "estimated_cost_usd": 0.004861
        }
    ]
}