Stamps & Covers Public Auction 359

1923-26 setting III opt KGV £1 green & red, English & Afrikaans singles (were formelly a horiz pr), h/s SPECIMEN. Superb fresh MNH. SG 27(s) normal cat £325 for M, while specimen is unlisted! Originates from a collection of UPU specimen stamps from postal archive, & it is assumed that some tiny quantity of this setting III £1 was accidentally used to make up required quantity of specimens when sets of the setting VI speciments were being prepared. Extremely rare with SPECIMEN being the only examples we have ever seen - certificate can be obtained on request. (2) (P)