The 1921 Sixpence was the first year in the series to be produced at both the Melbourne and Sydney Mint. The reverse features W. H. J. Blakemore's simple Coat of Arms design and the obverse houses George W. De Saules portrait of King George V. The total mintage for the year was 3,795,288 which was the highest mintage of all pieces in the George V sixpence series.