# Cover Front Thb Cover Back Thb Postmark Year Postmark Month Postmark Day Postmark City Postmark State Mailed To State Actions
11 1954 5 6 Denver CO DC
12 1942 3 21 Calhan CO DC
13 1918 11 30 Denver CO CO
14 1904 3 11 Denver CO PA
15 1922 3 18 Hugo CO NE
16 1961 6 3 Loveland CO
17 1956 12 19 Denver CO CO
18 1883 4 11 Granger OH IN
19 1897 12 18 Keyport NJ PA
20 1891 9 29 Kezar Falls ME ME