Letter Rate 22¢ Package Rate 22¢ Postcard Rate 14¢ Effective 2/17/1985 American President Ronald Reagan (1/20/1981-1/20/1989) Argentine President Raúl Alfonsín (12/10/1983-7/8/1989) Australian Prime Minister Bob Hawke (3/11/1983-12/20/1991) Austrian President Rudolf Kirchschläger (7/8/1974-7/8/1986) Bahamian Premier Lynden Pindling (5/10/1969-8/21/1992) Bahamian Prime Minister Lynden Pindling (5/10/1969-8/21/1992) Belgian Prime Minister Wilfried Martens (12/17/1981-3/7/1992) Brazilian President José Sarney (3/15/1985-3/14/1990) British Prime Minister Margaret Thatcher (5/4/1979-11/28/1990) Canadian Prime Minister Brian Mulroney (9/17/1984-6/24/1993) East German Chairman of the State Council Erich Honecker (10/29/1976-10/18/1989) German President Richard von Weizsäcker (7/1/1984-6/30/1994) Japanese Prime Minister Yasuhiro Nakasone (11/27/1982-11/6/1987)