Submarine Covers, 1927-44, 121 diesel submarine covers, noted from O, R, S, and V classes as well as the ships commissioned in the 1930's, over 70% with cachets and the rest being non philatelic (12 large OB covers) or selected superb strikes, range of events covers including 28 WWII event covers, VF or better overall (sunk subs Harder, Bonefish, Shark II). Estimate  $200 - 300. $0 (Image)