North America
1968 Prominent Americans – Oliver Wendell Holmes
1968 Prominent Americans – Oliver Wendell Holmes
1968 The 150th Anniversary of Illinois Statehood
1968 The 150th Anniversary of Illinois Statehood
1968 Prominent Americans – Thomas Paine
1968 Prominent Americans – Thomas Paine
1968 Prominent Americans – Thomas Jefferson
1968 Prominent Americans – Thomas Jefferson
1967 The 150th Anniversary of Mississippi Statehood
1967 The 150th Anniversary of Mississippi Statehood
1967 Christmas stamp – Madonna and Child
1967 Christmas stamp – Madonna and Child
1967 Prominent Americans – George C. Marshall
1967 Prominent Americans – George C. Marshall
1967 Prominent Americans – Eugene O’Neill
1967 Prominent Americans – Eugene O’Neill