1960 4¢ "ECHO 1" Satelite Mint Single

United States 4¢ "ECHO 1" Satelite Plate Block

United States #1151 4¢ SEATO Mint Single

United States #1171 4¢ Andrew Carnegie Mint Single

United States #1143 4¢ Credo - Lincoln Mint Single

United States #1140 4¢ Credo - Franklin Mint Single

United States #1146 4¢ Winter Olympics Mint Single

United States #1159 4¢ Ignacy Paderewski Mint Single

United States #1147 4¢ Thomas Masaryk Mint Single

United States #1142 4¢ Credo - Key Mint Single