Auction 333-341 Nigeria, Cameroon, Sudan & Worldwide Postal History - Day 4

1912: Registered Letter stationery envelope franked with 1910 3 d. purple & yellow, used from Zungeru to Colchester, England, dated 24 February 1912, tied by the double ring "ZUNGERU N N" in black, with a "REGISTERED PLYMOUTH" oval dated 19 March 1912 and "COLOCHESTER" arrival cds alongside dated 20 March 1912. Zungeru registration label No. 351. Rare example.
Note: Northern Nigeria did not issue any postal stationery. Formula registered envelopes are known used. This and one other example were featured in an article in Cameo.
Reference: Cameo, Volume 13, Number 1, January 20112, pg. 8-9, 'Formula Registered Envelopes'. Illustrated in 'The Postal Stationery of Nigeria', by Peter Hørlyck, pg. 60.