two covers to Lanman & Kemp in New York City, first from Liverpool dated March 21, 1874, endorsed "per Atlantic", "New York Ship Apr 1" datestamp with manuscript "8" due; second from Pará, Brazil dated August 20, 1874, endorsed "pr Maggie Abbot", "New York Ship 16" datestamp with "Due" and "8" handstamps, very fine pair