The New Guinean mark was created as a way of driving the German New Guinean mark out of circulation, and to function as a temporary currency until the Australian pound was introduced.
Dated at Rabaul this ...day of...191...', 'For and on behalf of the Treasury'.
The denomination is also expressed in figures in two boxes at the top of the notes.
They are listed in the Standard Catalog of World Paper Money quite wrongly under 'German New Guinea'.
[2] A primitive 20 Mark note printed with boot polish is also reputed to have existed which was used for paying the wages of the German Voluntary Brigade.