Lot 20214 – ZANZIBAR: 1879 (Jan 9) Envelope from Zanzibar to E

ZANZIBAR: 1879 (Jan 9) Envelope from Zanzibar to England from the Josephine Bartlett correspondence with 1876 6a pale brown tied by the experimental barred diamond cancel (Proud type K2, in use 1st Jun 1878 to July 1879) with Zanzibar cds adjacent (type D2), overpaying the 5a single letter rate abroad, with Aden and partial Tamworth cds on reverse, one of only an estimated 30 covers with this cancel, minor soiling, fine and rare