# Cover Front Thb Cover Back Thb Postmark Year Postmark Month Postmark Day Postmark City Postmark State Mailed To State Actions
431 1897 12 15 Florence CO ME
432 1896 5 5 Box Elder CO PA
433 1936 6 8 Boulder CO CO
434 1955 2 16 Boulder CO UT
435 1951 12 19 Boulder CO
436 1948 8 20 Boulder CO
437 1925 12 14 Berthoud CO CO
438 1901 3 25 Bailey CO CO
439 1942 3 9 Aurora CO CO
440 1935 3 4 Aspen CO CO