# Cover Front Thb Cover Back Thb Postmark Year Postmark Month Postmark Day Postmark City Postmark State Mailed To State Actions
1 1945 3 26 Superior CO IL
2 1899 12 26 Longmont CO CO
3 1893 12 1 Fort Collins CO CO
4 1885 9 4 Denver CO CO
5 1885 3 22 Fort Lupton CO CO
6 1953 12 7 Denver CO
7 1994 5 6 Englewood CO CO
8 1954 5 6 Denver CO DC
9 1942 3 21 Calhan CO DC
10 1918 11 30 Denver CO CO