A discussion on different metals used in coinage came up on the Knights forum, and I thought the wider CCF community might appreciate this link. It doesn't seem to have been posted here before:
Tony Clayton's coinage metals pageSo if you're wondering what "nickel silver" is, or whether antimony was ever used in coinage, click the link and look it up.

Don't say "infinitely" when you mean "very"; otherwise, you'll have no word left when you want to talk about something really infinite. - C. S. Lewis