1960 4¢ Pony Express Plate Block

United States #1154 4¢ Pony Express 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 #1168 4¢ Giuseppe Garibaldi Plate Block

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