# Cover Front Thb Cover Back Thb Postmark Year Postmark Month Postmark Day Postmark City Postmark State Mailed To State Actions
431 1923 12 10 Stratton CO CO
432 1917 5 15 Stoneham CO NE
433 1948 6 8 Stoneham CO OH
434 1895 11 10 South Fork CO MO
435 1947 2 1 Denver CO CO
436 1893 11 9 Slachts CO CO
437 1925 6 10 Silverton CO NY
438 1879 8 15 Silver Cliff CO IL
439 1910 3 18 Segundo CO MI
440 1922 7 8 Salida CO CO