The effigy of H.M. Queen Elizabeth II., surrounded by stylised planets and stars. ELIZABETH II AUSTRALIA, ONE OUNCE .9999 GOLD, JC
Description reverse
Top view of a galaxy in color, surrounded by stylised planets, stars and astronomical equipment. To the left, Galileo Galilei gazing through his telescope, seated on a stool inscribed 1610 - the year he published a description of the four largest moons of Jupiter. 2021 THE EARTH AND BEYOND - THE MILKY WAY, 100 DOLLARS
Reference
Australia. 100 dollars (Gold) 2021, Royal Australian Mint. CoCo AU-2021-0053.