St. Kitts-Nevis Scott 15 Gibbons 15 on Cover

15 (15) 1914 AP 15 Cover from St. Kitts to U.S., combination franking with 1905 2d and a pair of Leeward Is. ¼d (Sc 46, SG 46) to make up the correct 2½d rate for ½ oz to U.S., tied with "St. Kitts" cds, minor soiling.