ST HELENA/CAMPAIGNS: 1901 registered envelopes to the Netherlands bearing 1d (2) and 2½d each with "Maltese Cross" cork cancellation showing "ST. HELENA" d.s. and "REGISTERED" oval h.s., triangular "PASSED BY/CENSOR/DEADWOOD " (initialled "EW"), c.d.s. "LONDON & DOVER T.P.O./NIGHT MAIL" and with Belgian registration label applied in transit. Unusual and most attractive