AUSTRALIA: 50 Dollars (ND 1985) in dark brown and black on multicolor unpt with "Lord Howard Walker Florey" at right. Serial no "YSB 311461". WMK: Captain James Cook. Printed by NPA (Without imprint). Signature by Johnston and Fraser. Inside plastic folder by PCGS "Superb Gem New 67 - PPQ". (Pick 47e) & (Spink RBA B15e).