# Cover Front Thb Cover Back Thb Postmark Year Postmark Month Postmark Day Postmark City Postmark State Mailed To State Actions
21 1895 4 20 Fort Collins CO MO
22 1912 5 14 Los Angeles CA CO
23 1915 5 3 Oakview CO CO
24 1886 4 10 Elbert CO MA
25 1920 12 10 Akron CO KS
26 1930 8 29 Cheyenne Wells CO IA
27 1931 3 14 Kirk CO CO
28 1880 5 7 Leadville CO UT
29 1920 5 4 Arvada CO
30 1930 5 8 Denver CO CO