Yes, Gerald, it might be worth something but we need more to go off than "1584 looks silver". If you could register and attach a picture, that would be most helpful. Or, if not, a description. It could be: Fourpence-halfpenny Twopence-farthing Shilling Groat Halfgroat Penny Sixpence Threepence Threehalfpence Threefarthings Halfpenny Crown Halfcrown As you can see, we need more info