1998 Australia 50c Bass & Flinders

The 1998 Australia 50c Commemorative issue for the 200th Anniversary of the Discovery of Bass Strait features the 3rd portrait of Queen Elizabeth II facing right wearing the King George IV State Diadem

Lettering:
ELIZABETH II
AUSTRALIA 1998
RDM

Designer: Raphael David Maklouf 

On the reverse, the portraits of Bass and Flinders, a map of part of Australia and all of Tasmania and a depiction of the route they took

Lettering:
Sydney
GEORGE BASS
50
G
DISCOVERY OF
BASS STRAIT
1798 – 1998
MATTHEW FLINDERS