1950 3c American Bankers Association
1950 3c Samuel Gompers
1950 3c Statue of Freedom on Capitol Dome
Complete Set of 4, 1950 Capital Sesquicentennial
1950 3c National Capitol Sesquicentennial: Executive Mansion
1950 3c National Capitol Sesquicentennial: Supreme Court Building
1950 3c National Capitol Sesquicentennial: U.S. Capitol Building
1950 3c Railroad Engineers of America
1950 3c Kansas City, Missouri Centenary
1950 3c Boy Scouts of America
1950 3c Indiana Territory
1950 3c California Statehood Centennial
1951 3c United Confederate Veterans Final Reunion
1951 3c Nevada Settlement
1951 3¢ Landing of Cadillac at Detroit
1951 3¢ Colorado Statehood
1951 3¢ American Chemical Society
1951 3¢ Battle of Brooklyn
1952 3¢ Betsy Ross
1952 3¢ 4-H Club
1952 3¢ B. & O. Railroad
1952 3¢ A.A.A.
1952 3¢ NATO
1952 3¢ Grand Coulee Dam