# Cover Front Thb Cover Back Thb Postmark Year Postmark Month Postmark Day Postmark City Postmark State Mailed To State Actions
511 1925 12 14 Berthoud CO CO
512 1901 3 25 Bailey CO CO
513 1942 3 9 Aurora CO CO
514 1935 3 4 Aspen CO CO
515 1908 11 30 Aspen CO CO
516 1888 8 25 Aspen CO
517 1934 12 21 Casper WY CO
518 1931 11 25 Denver CO CO
519 1912 9 19 Arloa CO CO
520 1908 7 15 Arloa CO CO