SYDNEY - The size and composition of some Australian coins may have to change due to the soaring cost of copper and nickel.
This year the metal value of the 5c, 10c and 20c coins will overtake their face value for the first time, News Ltd reported today.
The metal content in 10c, 20c and 50c coins was now worth more than the metal in the $1 and $2 coins.
But melting down coins to make extra by selling the metal was illegal and heavy penalties applied. . . .
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