# Cover Front Thb Cover Back Thb Postmark Year Postmark Month Postmark Day Postmark City Postmark State Mailed To State Actions
51 1944 8 10 Matheson CO MN
52 1940 4 16 Pueblo CO NY
53 1938 7 18 Westminster CO CO
54 1936 1 23 Leadville CO CA
55 1918 2 6 Denver CO IL
56 1907 9 10 Lujane CO CO
57 1903 11 12 Gypsum CO CO
58 1909 6 16 River Portal CO CO
59 1902 2 18 Sheephorn CO WI
60 1898 11 22 Slater CO MO