1861 1¢ Benjamin Franklin, blue
1861 3c Washington, pink
1861-62 3c Washington, rose
1861-62 5c Jefferson, buff
1861 10c Washington, yellow green
1861-62 12c Washington, black
1861-62 24c Washington, red lilac
1861-62 30c Franklin, orange
1861-62 90c Washington, blue
First commemorative stamps of the 20th century.
Columbus stamp promoted the 1893 Chicago World Columbian Exposition.
A single stamp to cover the one-pound air parcel rate in 1952.