1960 4¢ Automated Post Office Plate Block

United States #1164 4¢ Automated Post Office Mint Single

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 #1165 4¢ Gustaf Mannerheim Plate Block

United States #1171 4¢ Andrew Carnegie Plate Block

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

United States #1168 4¢ Giuseppe Garibaldi Plate Block