australia 20 cents coin price guide km reverse values specifications diameter
1966 wavy australia coin 20c cent pcgs ms64 variety australian coins error decimal sold errors varieties
australia 1967 cents coin twenty 20 coins reverse club inscription elizabeth ii
20 elizabeth cents years ii portrait australia decimal currency 4th 50th anniversary numista fifty sixpence catalogue
20c 1966 wavy australia australian fine variety coin cent
collar partial error cent planchet clipped tilted coin
australia 20c coin cent twenty cents platypus coins 20 australian fifth portrait reverse club inscription