This is not my specialty but I'd start looking for a match under Manuel I. http://www.acsearch.info/search.html?id=2560679 That having been said: Reshoot your reverse photo. Better focus will always make it easier for someone to help you or, at least, show you cared enough to do the best you could. These cup shaped coins are hard to light evenly as shown by your relatively sharp first photo. The light is fine on the fuzzy reverse.