1960 4¢ World Forestry Congress Plate Block

United States #1156 4¢ World Forestry Congress Mint Single

United States #1149 4¢ World Refugee Year Plate Block

United States #1151 4¢ SEATO Plate Block

United States #1162 4¢ Wheels of Freedom Plate Block

United States #1157 4¢ Mexican Independence Plate Block

United States #1155 4¢ Employ the Handicapped Plate Block

United States #1150 4¢ Water Conservation Plate Block

United States #1170 4¢ Walter George Plate Block

United States #1171 4¢ Andrew Carnegie Plate Block