The unique HIGINBOTHOM & HUMPHRYS forwarding agents cachet, ANTIGUA postal history 1851 mourning band entire headed "St. Martin 2nd March 1851" marked "Particular care of R. Higginbothom Esq., U.S. Consul, Antigua" with "FORWARDED BY/HIGINBOTHOM & HUMPHRYS/ANTIGUA" double lined oval cachet posted with ANTIGUA MR 11 1851 dbl-arc to St. James Street, London locally directed Stratford Place rated 2/-. £1750