Postal History: 1900 (12 Dec) cover to U.S.A. bearing Leeward Islands QV 1d pair and ½d tied by code \'A\' \'MONTSERRAT\' datestamps, New York and Washington backstamps, 1919 (12 Apr) used locally bearing \'WAR STAMP\' 1½d pair (SG 62), early usage, 1929 (15 Jul) OHMS registered to USA bearing KGV 1½d and 3d, Plymouth registration label, re-addressed on arrival, backstamped (3 covers)