2017 Royal Australian Mint 'Alphabet' Baby Proof Set, Set includes Two Dollar, One Dollar, Fifty Cent, Twenty Cent, Ten Cent and Five Cent. $2 AlBr 6.6 grams 20.5 mm, $1 AlBr 9.0 grams 25.0 mm, 50c CuNi 15.55 grams 31.51 mm, 20c CuNi 11.30 grams 28.52 mm, 10c CuNi 5.65 grams 23.60 mm, 5c CuNi 2.83 grams 19.41 mm. Please contact Adelaide Exchange Jewellers to find out more on this item.