Mariposa County Balance. 28 19th century covers from the 1860's thru the 1890'with unlisted 1872 Coulterville, 1860's Hornitus spelling of Hornitos, Jerseydale, Lewis manuscript, stampless Mariposa and only known Whittock manuscript on package receipt, F.-V.F. Estimate $250 - 350. $0 (Image)