This is a beautiful Iron Cross German Luger pistol. Done by the American Historical Foundation, they took an original WWII Luger and engraved and embellished with 24 kt gold. Includes glass topped display case. Unfired since the custom work was done. Very nice piece of history.

Details found here: https://www.ahffirearms.com/product/the-iron-cross-luger-one-of-500-2/