? The 1943-S Florin was produced at the San Francisco Mint with a total mintage of 11,000,000. In the same year, the Royal Mint in Melbourne produced 12,762,000 pieces. These two types can be differentiated by a small 'S' mint-mark over the reverse date of the San Francisco type. The involvement of the San Francisco Mint was a reaction against a substantial coin shortage which began in 1941 and was caused by increased war-time production and the arrival of allied troops in Australia. ...
? The 1966 Five Cent was minted in Canberra and London. To distinguish the two coins look closely for the spines on the echidna's front right shoulder, the spine on the London minted coins is twice as long as those from the Canberra minted coins. The short spine indicates minted in Canberra The long spine indicates minted in London.
? 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. Glossary obverse: The heads side of the coin ...
? The 1977 Pattern One Dollar was created as a test piece by the Royal Australian Mint. The heptagonal design was never issued on any Australian coins with the exception of a commemorative piece issued in 2004 as part of a series of pattern re-strikes. The design was rejected due to manufacturing complexities which would have made mass production impractical. The reverse of the pattern was designed by Christopher Ironside and features a the depiction of a heraldic lion ...
? The second type of the Elizabeth II Sixpence series was issued between 1955 and 1963. The obverse of this new type features a modified legend which reads - 'ELIZABETH II DEI GRATIA REGINA F:D' . The legend was modified to include 'F:D' which had been removed from British coins following the death of King George VI. The removal had attracted substantial controversy with groups including 'The United Protestant's Association' and a number of Australian Bishops leading protests ...