# Cover Front Thb Cover Back Thb Postmark Year Postmark Month Postmark Day Postmark City Postmark State Mailed To State Actions
1 1943 4 29 Sterling CO OK
2 1944 9 11 Denver CO UT
3 1907 8 3 Deuel CO CO
4 1945 3 26 Superior CO IL
5 1899 12 26 Longmont CO CO
6 1893 12 1 Fort Collins CO CO
7 1885 9 4 Denver CO CO
8 1885 3 22 Fort Lupton CO CO
9 1953 12 7 Denver CO
10 1994 5 6 Englewood CO CO