Australia Post and the Royal Australian Mint have released a philatelic numismatic cover featuring cupro-nickel 50¢. The envelope is postmarked 'First day of issue 20 March 2018, XXI Commonwealth Games Gold Coast 2018, Brisbane QLD 4000'.

This PNC features an exclusive cupro-nickel (non gold plated) Commonwealth Games 50c. 

MINTAGE 7500.