You are not going to find a reliable answer to that question on WikiAnswers.com. I would highly recommend finding a professional appraiser.
There was no Australian 1953 Crown (Five Shillings) coin minted. 1937 and 1938 were the only two years that Australia produced a Crown (Five Shilling) coin.
Cricket Lee was born in 1953.
Cricket Records was created on 1953-05-25.
Philip Bailey - cricket writer - was born in 1953.
Australian Journal of Zoology was created in 1953.
Australian Journal of Botany was created in 1953.
An Australian 1953 Penny minted in Perth has a dot (.) after the (A) in AUSTRALIA (AUSTRALIA.). All other Pennies were minted in Melbourne and have no mintmark.
An Armistice is a Truce. Which was signed on 27 July 1953.
An Australian 1953 Sixpence, uncirculated and in absolute mint condition could fetch up to $400 AUD. If it has been circulated but still in good condition, it might fetch anything from $3 to $75 AUD. There were 1.152 million minted. An Australian 1953 Sixpence (Proof), uncirculated and in absolute mint condition could fetch up to $30,000 AUD. A reputable coin dealer will be able to give a more accurate valuation.
Arthur Groom - Australian writer - died in 1953.
James Page - Australian educationist - was born in 1953.