–“ S S PRESIDENT HOOVER” 1937. The Dollar Steamship Line ‘S S President Hoover’ was one of the world’s most luxurious cruise liners in the 1930’s. In the early hours of 11 December 1937 she ran aground on Hoishoto Island, off Formosa (Taiwan) during a typhoon. The passengers were successfully evacuated but the ship was a total loss. This cover, the only known cover from this incident, was posted on board and has a U.S.I.P. SEA POST, S.S. PRES. HOOVER, DEC 10 1937 datestamps. Typed at the left is ‘S. S. President Hoover (Dollar S.S. Company) arrived at and wrecked on Kashota Island (Formosa) on December 10, 1937. A rare shipwreck cover.