4th portrait of Queen Elizabeth II facing right wearing the Girls of Great Britain and Ireland Tiara
Obverse script
Latin
Obverse lettering
ELIZABETH II AUSTRALIA
IRB
1/2 oz 999 SILVER 2018 50 CENTS
Reverse description
A representation of a tank, which was used for the first time as a “creeping barrage” under the command of one of Australia’s greatest war leaders, Lieutenant General John Monash, in the pivotal Battle of Hamel in July 1918.