1960 4¢ Water Conservation Plate Block

United States #1150 4¢ Water Conservation Mint Single

United States #1151 4¢ SEATO Plate Block

United States #1168 4¢ Giuseppe Garibaldi Plate Block

United States #1152 4¢ American Women Plate Block

United States #1146 4¢ Winter Olympics Plate Block

United States #1154 4¢ Pony Express Plate Block

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

United States #1162 4¢ Wheels of Freedom Plate Block

United States #1155 4¢ Employ the Handicapped Plate Block