S Mint mark for Sydney Australian Sovereigns Shield between 1872 and 1887.
S Mint mark for Sydney Australian Sovereigns St George between 1872 and 1931.
M Mint mark for Melbourne Australian Sovereigns St George between 1872 and 1887.
M Mint mark for Melbourne Australian Sovereigns Shield between 1872 and 1887.
M Mint mark for for Melbourne Australian Sovereigns with St George between 1887 and 1931.
P Mint mark for Perth Australian Sovereigns with St George between 1899 and 1931.