Three pence coins were minted from 1910 to 1964
After 1965 decimal coins were introduced.
From 1910 to 1944 the coins were 92.5% silver
In 1947 the coins were set at 50% silver to help pay off war debts
Most coins were minted in Melbourne or Sydney mints and in USA during the war years
15 x 15 x 1mm, 1 carats