Marking the 75th anniversary of a major turning point of WWII, this 40.60mm coin honours the Rats of Tobruk – the Aussies who defended the strategically crucial Libyan town of Tobruk against the forces of fascism for 241 days in 1941. Official Australian legal tender, each 99.9% silver Proof is set in a Perth Mint case with a Certificate confirming the mintage of 7,500.