# Cover Front Thb Cover Back Thb Postmark Year Postmark Month Postmark Day Postmark City Postmark State Mailed To State Actions
51 1943 7 13 Denver CO MO
52 1882 2 27 Irwin CO NH
53 1882 5 15 Durango CO NM
54 1906 11 17 Frances CO CO
55 1912 11 2 Fort Collins CO CO
56 1949 8 27 Denver CO KS
57 1907 2 8 Denver CO UT
58 1940 3 6 Fruita CO CO
59 1941 5 19 Denver CO SC
60 1947 4 12 Durango CO OH