The short answer to your question is "no". There are several countries that will sell you silver coins for face value, but nowhere where silver coins are used in everyday trade.
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Strangely enough, I believe the only country today that still issues silver coinage for circulation is Mexico.
It's not strange when you consider how powerful the silver mining lobby is in that country.

Mexico was certainly the last country to seriously attempt a circulating silver coin issue, with the bimetallic $10 and $20 coins in the early 1990s. The rising price of silver and the falling value of the peso quickly put paid to that experiment. The $20 coin hasn't been issued since 2001, while the $50 and $100 coins are intended for collectors. The $10 and $20 coins listed on the
Bank of Mexico website under "Currently manufactured coins" are the base-metal versions.
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