Stamps: Malawi Image Stanley Gibbons Scott Michel Yvert Tellier Year Face Value Description History \ \ \ \ 2010 150k 2 type VII U-boas (German type VIIA, Wold War II era, 1936) \ \ \ \ 2010 250k US submarines Shark & Porpoise (Plunger class, Porpoise SS-7, Shark SS-8, 1903) \ \ \ \ 2010 350k US submarine Pike (Plunger class, Pike SS-6, 1903) \ \ \ \ 2010 450k US submarine boat Plunger (Plunger class, Plunger SS-2, 1903) \ \ \ \ 2010 150k USS Jallao, SS-368 (Balao class, 1944) \ \ \ \ 2010 250k U-boat type VII (German type VIIA, Wold War II era, 1936) \ \ \ \ 2010 350k USS Providence SSN-719 (Los Angeles class, nuclear attack submarine, 1985) \ \ \ \ 2010 450k U-47(German U-boat type VIIB, World War II era, 1938) \ \ \ \ 2010 150k Yankee II class (Soviet Balistic Missile Submarine, SSBN, Project 667AM, 1967) \ \ \ \ 2010 250k Los Angeles class, SSN-668 (US Fast Attack Submarine, SSN, 668 class, 1976) \ \ \ \ 2010 350k USS Texas SSN-775 (US Fast Attack Submarine, SSN, Virginia class, 2006) \ \ \ \ 2010 450k SSN Astute class (British Navy Fast Attack Submarine, SSN, HMS Astute S-119, 2010) 2010 Submarines (beginning of the 20th century) (sheetlet of 4 stamps)   2010 Submarines (20th century, World War II era) (sheetlet of 4 stamps)   2010 Submarines (mid & late 20th century, nuclear powered) (sheetlet of 4 stamps)