DECIMAL SPECIMEN BANKNOTES, type one, two of each representing front and back of notes of the one dollar, Coombs/Wilson AAA 000000; two dollars, Coombs/Wilson FAA 000000; five dollars, Coombs/Randall NAA 000000; ten dollars, Coombs/Wilson SAA 000000; twenty dollars, Coombs/Wilson XAA 000000, with small oval stamp overprinted red 'SPECIMEN' in the watermarked area on both sides of notes (R.71SPA, 81SPA, 91SPA, 101SPA, 111SPA; McD S1-5). Uncirculated. (10 notes)
These notes are contained in a special book printed by the Reserve Bank in 1966 and were presented to prominent people and those directly connected with the design and printing of the decimal notes.
Ex Caldwell Collection, Noble Numismatics Sale 118B (lot 4404).