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

British Occupation 1915: 5 pf. green, postal card, overprinted "C.E.F" and surcharged "½d" in black, watermark DR 1. in diamonds, used from Duala to Blackrock, Ireland, redirected to Donnybrook, dated 7 September 1915, cancelled by a "DUALA KAMERUN" circular in black, with a "BLACKROCK" double circle alongside also in black dated 7 October 1915. Minor soiling. Has two small tears in top which coincide with creasing to the corner and upper edge. A very scarce example; one of two recorded.
Ref: Illustrated in Maddocks (3) pg. 115.