Obsolete JAMAICA "A01" transferred to G.P.O, LONDON FOREIGN SECTION, Transvaal postal history 1902 censored cover to The Hague, Holland with 2 x 1d E.R.I. overprints tied Johannesburg 18 APR 02 with further uncancelled KE7 ½d firmly "killed" by obsolete Jamaica "A01" numeral (Type E) transferred from Kingston to the G.P.O. London Foreign Section specifically for the duty of cancelling uncancelled adhesives. A wonderful combination cover. £350