Historically, many coinage metals (or alloys) are from the three nonradioactive members of group 11 of the periodic table: copper, silver and gold. However, there are many more, even for coins made from intrinsically precious metals.Precious metals are always used in bullion coins and some collectable coins.he term is not perfectly defined, however, since a number of metals have been used to make demonstration coins which have never been used to make monetized coins for any nation-state, but could be.