# Cover Front Thb Cover Back Thb Postmark Year Postmark Month Postmark Day Postmark City Postmark State Mailed To State Actions
01 1893 12 1 Fort Collins CO CO
02 1885 9 4 Denver CO CO
03 1885 3 22 Fort Lupton CO CO
04 1953 12 7 Denver CO
05 1994 5 6 Englewood CO CO
06 1954 5 6 Denver CO DC
07 1942 3 21 Calhan CO DC
08 1918 11 30 Denver CO CO
09 1904 3 11 Denver CO PA
10 1922 3 18 Hugo CO NE