F : English text; Bank of England seal; Queen Elizabeth II; coronation crown; computer chip circuitry; Bank of England headquarters, London; coats of arms; Queen Elizabeth II.
B : English text; mathematical table and formulae from Turing’s seminal 1936 paper, “On Computable Numbers, with an application to the Entscheidungsproblem;” ticker tape depicting Alan Turing’s birth date (23 June 1912) in binary code; technical drawings for the British Bombe; Automatic Computing Engine (ACE) Pilot Machine; Alan Turing;
Sg 33 - Sarah John , Wmk : Shadow image
AA08/AA09 ( IMAGE BoE file image used to display features.)
ACTUAL NOTE ON OFFER IS NOT SPECIMEN.