50 Fr dark reddish-brown stamp with the overprint "Fort Lorient" on a backing paper, cancelled by a censorship stamp "Fort Lorient May 1st, 1945" and with the handwritten signature of the censor officer Schmitt. Edition of only 1,800 stamps. Expertise by Lothar Herbst VP (2024): "The condition is flawless. Due to the small edition of only 1,800 pieces, these stamps are rare."