Australia 2021 $1 C Mintmark Centenary of the Royal Australian Air Force Silver Proof Anniversary the Australian swan’s distinctive black

the Australian swan’s distinctive black plumage astonished early European explorers

Presented within a case with a numbered Certificate of Authenticity

The original reverse design of the lyrebird on standard circulating coins has not been changed since the introduction

The obverse design was altered in 2016 to mark the 50th anniversary of decimal currency

Limited edition of 999 coins

Australia 2021 $1 C Mintmark Centenary of the Royal Australian Air Force Silver Proof Anniversary the Australian swan’s distinctive blackMintmark A mintmark is a mark on the original die indicating the location where that coin was struck. For example C is for the city of Canberra which is the location where the coin was struck.