35mm by 33mm plus loop, approx. 3.7 grams. Makers marks unknown(not British). Back reads " Robert Downie, 1st Prize, Sailors Hornpipe, Pres. By R.S. Hyslop". Auction in AU$. Post FREE within Australia, $25 post outside Australia(no extra post charge for multiple small purchases). MANY MORE ANTIQUES IN MY EBAY STORE.