Rear lens cap for Leica M-mount lenses, manufactured by IZQOO. Ernst Leitz GmbH Wetzlar Germany This is the most luxurious and meticulously crafted of the M-mount lens caps, which come in several variations, featuring a metal silver chrome exterior and a leather-lined interior. The substantial feel when held is unmatched by other caps, allowing you to appreciate the solid construction of the golden age of Leitz. It is a rare item in limited supply, and is also recommended for collectors. It is in very good condition with only minor, inconspicuous scratches. Functionality is not an issue.