Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.635,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.815,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 10,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a functional crossbody handbag with a shoulder strap and multiple zippered compartments."
    ],
    "negative_evidence": [
        "photo 1: No visible COACH wordmark, horse-and-carriage emblem, creed patch, serial\/style number, or hangtag.",
        "photo 1: Bright silver-tone hardware and multiple decorative braided panels do not resemble the solid-brass, restrained construction typical of classic vintage Coach.",
        "photo 1: The smooth pale material and decorative stitched\/braided design appear more consistent with a contemporary generic fashion bag than a vintage Coach classic.",
        "photo 1: The listing identifies the seller brand as unbranded and provides no Coach-specific provenance.",
        "photo 1: multi-zip front with three horizontal zippers plus braided applique strips - silhouette never used in Coach classic or modern catalog",
        "photo 1: silver\/gunmetal-tone zipper hardware, not solid brass vintage Coach hardware",
        "photo 1: thin soft slouchy material with slight sheen, not thick matte glove-tanned cowhide with suede back",
        "photo 1: no turnlock, no leather hangtag, no COACH wordmark or horse-and-carriage visible",
        "photo 1: thin flat crossbody strap with small metal rings, not buckle-adjustable brass or dogleash-clip Coach strap"
    ],
    "missing_information": [
        "Interior view, including any creed patch or fabric label.",
        "Close-up photographs of all hardware, zipper pulls, strap attachments, and any interior or exterior branding.",
        "Bottom, side, rear, and strap-condition photographs.",
        "Material close-up to distinguish genuine leather from synthetic or bonded material.",
        "photo 1 only exterior front view; no interior, creed patch, back, bottom, side views provided",
        "close-up of zipper-pull stamps and hardware tone not shown",
        "lining material and construction not shown",
        "leather vs synthetic material tag \/ fabric tag not shown"
    ],
    "authenticity_concerns": [
        "photo 1: The bag has no visible Coach identifiers and its modern decorative construction is inconsistent with the most recognizable vintage Coach handbag lines.",
        "photo 1: Silver-tone hardware and decorative braided paneling are lookalike\/generic cues rather than evidence of Coach manufacture."
    ],
    "possible_model_reasoning": [
        "photo 1: No Coach model is a reasonable match; the multi-zip, soft crossbody silhouette with braided decorative panels is generic contemporary construction.",
        "photo 1: Era is best classified as modern (2000s+), non-Coach based on the silver-tone hardware, zip-heavy design, and decorative styling.",
        "photo 1: Condition cannot be fully graded because only one staged front photograph is provided; visible exterior appears intact, but interior, bottom, odor, lining, and strap wear are unknown.",
        "photo 1 silhouette is modern fast-fashion multi-pocket crossbody, not matching any Coach style in City Bag, Willis, Court, Station, Dinky, Ergo or other catalog - no turnlock flap, no dowel handle, no bucket shape",
        "no creed, serial, wordmark, hangtag or brass hardware to support Coach manufacture",
        "seller lists as Unbranded with 2026 retro title, consistent with new non-Coach bag",
        "Condition: appears New\/unused in studio product photo, but only one exterior view so condition grade capped"
    ],
    "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: Silver-tone zipper hardware and small circular rivet-like details are visible; no Coach engraving is visible.",
        "leather_description": "photo 1: Pale, soft-looking material with visible grain and extensive decorative braided\/stitched panels; genuine leather cannot be confirmed from this image.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Wide adjustable-looking shoulder strap attached at metal rings; attachment and buckle details are only partially visible.",
        "stitching_description": "photo 1: Machine-like, mostly even perimeter and compartment stitching is visible, along with decorative braided inserts; detailed stress-point stitching is not assessable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0013,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a functional crossbody handbag with a shoulder strap and multiple zippered compartments."
                ],
                "negative_evidence": [
                    "photo 1: No visible COACH wordmark, horse-and-carriage emblem, creed patch, serial\/style number, or hangtag.",
                    "photo 1: Bright silver-tone hardware and multiple decorative braided panels do not resemble the solid-brass, restrained construction typical of classic vintage Coach.",
                    "photo 1: The smooth pale material and decorative stitched\/braided design appear more consistent with a contemporary generic fashion bag than a vintage Coach classic.",
                    "photo 1: The listing identifies the seller brand as unbranded and provides no Coach-specific provenance."
                ],
                "missing_information": [
                    "Interior view, including any creed patch or fabric label.",
                    "Close-up photographs of all hardware, zipper pulls, strap attachments, and any interior or exterior branding.",
                    "Bottom, side, rear, and strap-condition photographs.",
                    "Material close-up to distinguish genuine leather from synthetic or bonded material."
                ],
                "authenticity_concerns": [
                    "photo 1: The bag has no visible Coach identifiers and its modern decorative construction is inconsistent with the most recognizable vintage Coach handbag lines.",
                    "photo 1: Silver-tone hardware and decorative braided paneling are lookalike\/generic cues rather than evidence of Coach manufacture."
                ],
                "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: Silver-tone zipper hardware and small circular rivet-like details are visible; no Coach engraving is visible.",
                    "leather_description": "photo 1: Pale, soft-looking material with visible grain and extensive decorative braided\/stitched panels; genuine leather cannot be confirmed from this image.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Wide adjustable-looking shoulder strap attached at metal rings; attachment and buckle details are only partially visible.",
                    "stitching_description": "photo 1: Machine-like, mostly even perimeter and compartment stitching is visible, along with decorative braided inserts; detailed stress-point stitching is not assessable."
                },
                "possible_model_reasoning": [
                    "photo 1: No Coach model is a reasonable match; the multi-zip, soft crossbody silhouette with braided decorative panels is generic contemporary construction.",
                    "photo 1: Era is best classified as modern (2000s+), non-Coach based on the silver-tone hardware, zip-heavy design, and decorative styling.",
                    "photo 1: Condition cannot be fully graded because only one staged front photograph is provided; visible exterior appears intact, but interior, bottom, odor, lining, and strap wear are unknown."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "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": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1 only exterior front view; no interior, creed patch, back, bottom, side views provided",
                    "close-up of zipper-pull stamps and hardware tone not shown",
                    "lining material and construction not shown",
                    "leather vs synthetic material tag \/ fabric tag not shown"
                ],
                "negative_evidence": [
                    "photo 1: multi-zip front with three horizontal zippers plus braided applique strips - silhouette never used in Coach classic or modern catalog",
                    "photo 1: silver\/gunmetal-tone zipper hardware, not solid brass vintage Coach hardware",
                    "photo 1: thin soft slouchy material with slight sheen, not thick matte glove-tanned cowhide with suede back",
                    "photo 1: no turnlock, no leather hangtag, no COACH wordmark or horse-and-carriage visible",
                    "photo 1: thin flat crossbody strap with small metal rings, not buckle-adjustable brass or dogleash-clip Coach strap"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver\/gunmetal-tone zippers with leather-look pull tabs; small ring strap attachments; no turnlock visible in photo 1",
                    "leather_description": "light grey\/beige smooth soft-looking material, thin and slouchy with slight sheen; appears to be split or synthetic rather than full-grain glove-tanned cowhide in photo 1",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "matching light thread, multiple horizontal seamed panels on front; no detailed stitch close-up visible in photo 1",
                    "strap_construction": "thin flat long crossbody\/shoulder strap attached with small metal rings in photo 1; buckle adjustment and clip details not shown",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 silhouette is modern fast-fashion multi-pocket crossbody, not matching any Coach style in City Bag, Willis, Court, Station, Dinky, Ergo or other catalog - no turnlock flap, no dowel handle, no bucket shape",
                    "no creed, serial, wordmark, hangtag or brass hardware to support Coach manufacture",
                    "seller lists as Unbranded with 2026 retro title, consistent with new non-Coach bag",
                    "Condition: appears New\/unused in studio product photo, but only one exterior view so condition grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 15845,
            "output_tokens": 781,
            "total_tokens": 16626,
            "estimated_cost_usd": 0.008212
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16162,
            "output_tokens": 1292,
            "total_tokens": 17454,
            "estimated_cost_usd": 0.004266
        }
    ]
}