AUSTRALIA: 20 Dollars (ND 1966) in black on multicolor unpt. Sir Charles Kingsford-Smith at right on face. S/N: "XAC 789484". WMK: Captain James Cook. Signatures by Coombs & Wilson. Printed by (NPA). Inside holder by PMG "Very Fine 30". (Pick 41a) & (Spink RBA B9a).