None. 1942-1945 were the only years silver was used to make nickels.
The 1941 nickel doesn't contain any silver, and is worth maybe 10 cents.
There is no silver in a 1964 nickel.
The "War Nickels" were struck from late 1942 to 1945. The 1941 issue is not silver, still found in circulation and only face value
...If it is nickel silver it contains no silver. It is rather an alloy of nickel and copper to create the look of silver.
The nickel was never made with silver, it is made with nickel, hence the name.
None
Pennies in 1941 were mostly copper, not nickel, and they're worth about 5 cents.
It's a very common date nickel that's still occasionally found in circulation. This date does not contain any silver and is only face value.
Please don't assume that because a coin is old it has to be made of silver. It's made of copper-nickel like all other nickels except the WWII ones with a large mint mark above the dome of Monticello. 1941 is not a rare date for Jefferson nickels. There's more information at the question "What is the value of a 1941 US nickel?".
All U.S. nickels from 1866 to 1941 are made from 75% copper & 25% nickel. From Oct 1942 through 1945 the nickel in the coin was replaced with silver. In the 1946 the composition went back to copper-nickel.
"nickel silver" and "German silver" actually contains no silver, so it is incredibly cheap. It is generally an alloy of nickel, copper and zinc, though the exact formula varies.
None. Alpaca silver is another name for nickel silver which is a base metal alloy of copper with zinc and/or nickel.