Older collectors will well remember the problems of the mid 1960s when coins were in short supply and silver coins were being sold for a profit to bullion dealers. Within a reasonably short time the problem was under control with the great amounts of “sandwich” coins being struck by the mints.
There was a similar crisis in the mid 19th century, but that one took time to solve. It all began ...
Full Article: Gold triumphed in 1850s silver shortage - Numismatic News

