# Cover Front Thb Cover Back Thb Postmark Year Postmark Month Postmark Day Postmark City Postmark State Mailed To State Actions
11 1945 3 26 Superior CO IL
12 1899 12 26 Longmont CO CO
13 1893 12 1 Fort Collins CO CO
14 1885 9 4 Denver CO CO
15 1885 3 22 Fort Lupton CO CO
16 1953 12 7 Denver CO
17 1994 5 6 Englewood CO CO
18 1954 5 6 Denver CO DC
19 1942 3 21 Calhan CO DC
20 1918 11 30 Denver CO CO