# Cover Front Thb Cover Back Thb Postmark Year Postmark Month Postmark Day Postmark City Postmark State Mailed To State Actions
511 1897 3 23 Apex CO IL
512 1901 9 16 Amethyst CO NV
513 1884 6 12 Alma CO NM
514 1927 7 30 Alamosa CO CO
515 1921 2 17 Alamosa CO CO
516 1909 9 7 Del Norte CO CO
517 1953 3 30 Alamosa CO CO
518 1903 9 6 Agate CO CO
519 1903 4 26 Agate CO CO
520 1955 7 29 Denver CO NJ