US Stamps - General Issues of 1954-1968
Liberty Issue (1954-1968)
1861 Issues National Postal Museum
Third Bureau Issues (1908-1922)
US Stamps - General Issues of 1954-1968
National Parks Year Issue
Liberty Issue (1954-1968)
Yankee Stadium 1958 First Day Postcard, Scott 1035 1954 1968
Liberty Issue - Wikipedia
Ron Leith Auctions Sale - 51 Page 94
Scott #1030-53 Used Set of 27,1954-1968 Liberty Series 1/2 Cent to $5.00 Values.
History of Virginia on stamps Facts for Kids
G.A.R. Issue National Postal Museum