1960-1969

United States #1155 4¢ Employ the Handicapped Plate Block

United States #1168 4¢ Giuseppe Garibaldi Plate Block

United States #1165 4¢ Gustaf Mannerheim Plate Block

United States #1159 4¢ Ignacy Paderewski Plate Block

United States #1172 4¢ John Foster Dulles Plate Block

United States #1157 4¢ Mexican Independence Plate Block

United States #1154 4¢ Pony Express Plate Block

United States #1161 4¢ Robert A. Taft Plate Block

United States #1151 4¢ SEATO Plate Block

United States #1147 4¢ Thomas Masaryk Plate Block

United States #1158 4¢ U.S. Japan Treaty Plate Block

United States #1170 4¢ Walter George Plate Block