The Mexico 20 New Pesos coin minted from 1993-1995 was a circulating silver coin. It has .250 ounces in silver weight. Their face value when they were in circulation was approximately two dollars, as I recall.
Later than that, I think that the best candidate for "last circulating silver" may be some of the Austrian commemoratives that were distributed at face value in Austria in the 1990s.
Later than that, I think that the best candidate for "last circulating silver" may be some of the Austrian commemoratives that were distributed at face value in Austria in the 1990s.



















