cover 6p olive-yellow (2; S.G.4), good to large margins, tied by Dorchester "11" oval grid to Sept. 1860 cover from Dorchester to New York; backstamped Dorchester SP 16 1860 and incomplete St. John d.s.; cover lacking part of flap, 6p single rate to the U.S.

细节
cover 6p olive-yellow (2; S.G.4), good to large margins, tied by Dorchester "11" oval grid to Sept. 1860 cover from Dorchester to New York; backstamped Dorchester SP 16 1860 and incomplete St. John d.s.; cover lacking part of flap, 6p single rate to the U.S.