Postage Dues. 1914 (Sep) pair of unfranked envelopes (incl. original contents) from a despatch of mail sent privately by dhow from Zanzibar to German East Africa shortly after WWI hostilities were declared, which was intercepted by a Royal Navy patrol who confiscated the letters and returned them to Zanzibar where they received a Zanzibar arrival and "T" circular hs, one with faint triangular censor cachet, unusual.

1926-30 1c black on orange in used block of four on piece, cancelled by 5 DE 33 registered cds, very fine (S.G. £640+). (Image)

1926-30, unused group incl. 3c complete sheetlet of 10 (after the "cent.s" variety was corrected), "cent.s" varieties on vertical pairs of the 3c, 9c, 15c, 20c and 21c and singles with the variety of 18c on orange, 31c and 50c, fie to very fine group (S.G. £863).

1926-30, used group with "cent.s" varieties in vertical pairs, with 9c, 18c on salmon (normal with tear), 18c on orange and 21c, each cancelled once in the lower left corner on the normal stamp, fine to very fine. (Image)

1926-30, used group incl. 2c on piece, 3c corner marginal, 9c vert. strip of three, 12c black on green on piece (small imperfection) and 31c, fine to very fine (S.G. £1'065). (Image)

1930 (Sep 24) Incoming envelope from Kenya & Uganda with 1c tied by Entebbe cds, underpaid and franked with 1926-30 3c black on orange and 18c black on salmon tied by NO 17 30 cds, reverse with SP 28 30 arrival cds (inverted date slug), some minor foxing, fine. (Image)

1929 (Nov 18) Incoming commercial cover from Calcutta, India, franked on reverse with 1a brown, underpaid with "T" and "20c" ms, and franked with 1926-30 12c black on green on arrival tied by DE 17 29 Zanzibar cds, slightly rough opening at left, a very rare usage of this postage due. (Image)

1934 (Jan 9) Incoming commercial cover from India, franked on the reverse with KGV 1a and 3p tied by Byculla cds with Zanzibar arrival adjacent, obverse with "T / CTS. / 25" hs and franked with 1926-30 15c tied by 22 JA 34 cds, slightly roughly opened at right, fine. (Image)

1930 (Nov 18) Incoming envelope from Kenya & Uganda 5c tied by Kampala cds, underpaid with 1926-30 1c and 3c tied by DE 4 30 thimble cds, roughly opened along top and other minor imperfections, a scarce usage of the 1c. (Image)

1933, Incoming airmail cover from Dar es Salaam (Tanganyika) at 35c single rate with ms "over 1/2oz / T 87 centimes" at lower left, reverse with arrival cds and franked with Postage Dues 1926-30 15c vert. pair, 20c (corner fault and tear) and 1930-33 3c all cancelled by single "REG" cds, for double the deficiency paid at the approximate conversion (87 gold centimes should have been 54 Zanzibar cents), roughly opened at top, a rare and desirable mixed issue franking, and one of only eight recorded examples of the 3c used on cover, ex Griffith-Jones (illustrated on p.315 of his book). (Image)

1926-30 25c black on magenta with neat cds, very fine and scarce (S.G. £1'300). (Image)

1926-30 75c black on orange unused left marginal with "cent.s" variety, couple of faint bends in the margins otherwise very fine (S.G. £400). (Image)

1930-33, group incl. complete unused sheets of the 2c, 3c, 6c and 25c on lilac, used set of 6 (some on piece) and unused singles of the 12c and 25c on pink, very fine group. (Image)

1934, Incoming stampless "Bhaloo" envelope, reverse with "PAQUEBOT / ZANZIBAR" cds, "T" in circle on obverse, with Postage Dues 1926-30 18c black on orange, 1930-33 2c and 3c (small fault), each tied by "REG" cds, fine and rare cover with mixed postage due issues. (Image)

1932 (May 16) "Cutress" envelope sent within Zanzibar with 1926-27 1c brown, sent underpaid with "T", franked with 1930-33 6c tied by registered cds on the same day, very fine. (Image)

1935 (Dec 25) envelope from Kenya, Uganda and Tanganyika with 10c tied by Dar-es-Salaam cds, underpaid with ms "T" and "20c" and franked with 1930-33 12c tied by 27 DE 35 registered cds (the same day of sending, Christmas day!), some minor foxing and horizontal cover fold clear of stamp, fine. (Image)

1932 (Jan 28) Incoming postcard from England, sent unfranked with 1930-33 6c and 12c postage dues applied on arrival, tied by registered FE 16 32 cds, reverse with arrival of the day before, addressee name and message on reverse neatly erased, attractive, ex S.G. Auctions May 1968. (Image)

1936-62, group incl. normal paper mint set, used set and "SPECIMEN" perfin set, and chalk-surfaced mint set plus 20c and 30c used, fine group (S.G. £373).