Letter Rate 49¢ Package Rate $2.32 Postcard Rate 34¢ American President Barack Obama (1/20/2009-1/20/2017) Argentine President Cristina Fernández de Kirchner (12/10/2007-12/10/2015) Australian Prime Minister Tony Abbott (9/18/2013-9/15/2015) Austrian President Heinz Fischer (7/8/2004-7/8/2016) Bahamian Prime Minister Perry Christie (5/8/2012-5/11/2017) Belgian Prime Minister Elio Di Rupo (12/6/2011-10/11/2014) Brazilian President Dilma Rousseff (1/1/2011-5/12/2016) British Prime Minister David Cameron (5/11/2010-7/13/2016) Canadian Prime Minister Stephen Harper (2/6/2006-11/3/2015) German President Joachim Gauck (3/18/2012-3/18/2017) Japanese Prime Minister Shinzo Abe (12/26/2012-9/16/2020)