Germany, Imperial. A Curated Collection of U-Boat Service Wartime Postcards

(U-Boot Postkarten). A mixed lot of 36 First World War U-Boat service commemorative postcards, with 18 examples featuring handwritten dedications on the reverse, 13 of which are Feldpost marked, some demonstrating minor material fatigue or discolouration, a fascinating compilation of wartime correspondence in near extremely fine condition.