Operation Bernhard / Andrew - Pam West British Bank Notes The tables on the following pages constitutes all logged prefixes of forged, Operation Bernhard, White Bank of England Five, Ten, Twenty, Fifty and One hundred pound banknotes. Dated between:- 20th March 1930 & 16th September 1938, with one odd date 24th December 1926. This is an ongoing research project, serials are added when reported. Ammunition boxes found at the bottom of Lake Toplitzsee containing the German forgeries. Diver bringing forged notes up from the bottom of lake Toplitzsee Friederich Walter BERNHARD Krueger. Chief of Police of the General Government