Extract from Crimes (Currency) Act 1981
Defacing or destroying current coins or current paper money
A person shall not, without the consent, in writing, of an authorised person, wilfully deface, disfigure, mutilate or destroy any coin or paper money that is lawfully current in Australia.
Penalty: in the case of a person, not being a body corporate - $5,000 or imprisonment for 2 years, or both
in the case of a person, being a body corporate - $10,000.
Note: "Paper money" means money comprising a note written, printed or otherwise made on paper or any other material.
Paper money shall be taken to be current paper money if it is lawfully current in Australia or in a country other than Australia by virtue of a law in force in Australia or in that country, as the case may be.
All Australian banknotes, of both present and all past issues, are lawfully current in Australia.http://www.rba.gov.au/banknotes/dam...-damage.html
I hope no Federal Police officer is a coin collector who likes this forum.