# Cover Front Thb Cover Back Thb Postmark Year Postmark Month Postmark Day Postmark City Postmark State Mailed To State Actions
51 1943 4 29 Sterling CO OK
52 1944 9 11 Denver CO UT
53 1907 8 3 Deuel CO CO
54 1945 3 26 Superior CO IL
55 1899 12 26 Longmont CO CO
56 1893 12 1 Fort Collins CO CO
57 1885 9 4 Denver CO CO
58 1885 3 22 Fort Lupton CO CO
59 1953 12 7 Denver CO
60 1994 5 6 Englewood CO CO