GERMANY / FEDERAL REPUBLIC: 1000 Deutsche Mark (1.8.1991) in deep brown-violet and blue-green on multicolor unpt with Wilhelm and Jakob Grimm at center right. S/N: "AD5407875K2". WMK: Wilhelm and Jacob Grimm. Signatures by Schlesinger and Tietmeyer. Inside holder by PCGS "About Unc 50 - Ink". (Pick 44a) & (Spink DB B29a).