2014 $1 30th Anniversary of The $1 1oz Silver High Relief Proof CoinFor thirty years, released in aluminium bronze, the iconic Stuart Devlin designed one dollar coin has been a cherished Australian circulating coin. This bold anniversary piece has been struck in pure silver and is expertly engineered in high relief to highlight the designs absolute beauty. The original kangaroo design is brought to life with the characteristic richness and precision of the high relief technique.