cover 1894 (10 Aug.), 2a. registered envelope, size "F", used from Mombasa to Sydney, Australia, bearing ½a. deep brown single and strip of four, 1a. blue-green (3) and 2½a. black on pale buff, tied by "MOMBASA/A/AU 10 94" single circle datestamps; envelope, with minor staining, backstamped Mombasa, Zanzibar, Ligne T. Paq. Fr. No. 6, Aden and an incomplete arrival c.d.s.; 8 annas postage and 2 annas registration

细节
cover 1894 (10 Aug.), 2a. registered envelope, size "F", used from Mombasa to Sydney, Australia, bearing ½a. deep brown single and strip of four, 1a. blue-green (3) and 2½a. black on pale buff, tied by "MOMBASA/A/AU 10 94" single circle datestamps; envelope, with minor staining, backstamped Mombasa, Zanzibar, Ligne T. Paq. Fr. No. 6, Aden and an incomplete arrival c.d.s.; 8 annas postage and 2 annas registration