Metal, 27mm across, chromed colour. Usual minor rusting around edge. This is one of a set of twenty medals released to celebrate 200 years of settlement. All medals have a map of Australia within a wreath on the back with the wording "Australia 200 Years, A Bicentennial Medal Collection". Auction in AU$. Post FREE within Australia, $25 post outside Australia(no extra post charge for multiple small purchases). MUCH MORE AUSTRALIANA IN MY EBAY STORE.