QUOTE(banivechi @ Aug 27 2006, 09:40 PM)
As I know when the last 5 D-Mark commem silver coin were issued (in 1979?) the silver content was in value of 7 DM on it, so the Germans remelted the coins and then emmited others from magnimat (light magnetic alloy). Maybe from 1975 the value of silver content was equal or over the face value...
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Right. The 5 DM silver circulation coins were replaced by their Magnimat (CuNi "sandwich") equivalents in 1975. Commemoratives first continued to be silver, but in 1979 that became too expensive - the '79 Otto Hahn silver coin was not issued, then melted down, then (in Sep-1980!) issued as a Magnimat coin.
Many collectors, however, preferred silver. So as from 1987 the commems had a face value of 10 DM (like the 1972 Olympics series) and could be made of silver again.
Christian