1960 4¢ World Forestry Congress Mint Single

United States #1156 4¢ World Forestry Congress Plate Block

United States #1149 4¢ World Refugee Year Mint Single

United States #1151 4¢ SEATO Mint Single

United States #1146 4¢ Winter Olympics Mint Single

United States #1159 4¢ Ignacy Paderewski Mint Single

United States #1150 4¢ Water Conservation Mint Single

United States #1141 4¢ Credo - Jefferson Mint Single

United States #1147 4¢ Thomas Masaryk Mint Single

United States #1142 4¢ Credo - Key Mint Single