Los 6325
UNITED STATES - PUERTO RICO: 1872, Cover franked with 1870, 12 c. violet and 6 c. carmine with fancy cancel from "BUCKSPORT ME. MAY 8" to a ship captain at c/o address at Aroyo, sent via "ST. THOMAS MY 26 72"; the 12 c. some short perfs, otherwise fine, a scarce 18 c. franking to Caribean destinations
