All U.S. nickels were issued by the mint facilities in Philadelphia, Denver and San Francisco.
Nickels were produced at all three U.S. mints that year, in Philadelphia, Denver, and San Francisco.
Mintage figures were: Philadelphia : 118,997,000 San Francisco : 14,930,000 Denver : 24,814,000
The first US nickels (5-cent coins) were minted in 1866. The first Canadian nickels were minted in 1922.
Jefferson nickels have been minted since 1938. Aside from various portrait changes, no other design has been minted since then.
Indian Head nickels (a/k/a buffalo nickels) were minted from 1913 to 1938.
1964 US nickels were minted at Philadelphia (no mint mark at that time) and Denver ("D")
Buffalo nickels were minted from 1913 to 1938.
The last Buffalo nickels were minted in 1938.
There were 372,000,000 2004-D and 361,440,000 2004-P Peace Medal nickels minted. There were also 344,880,000 2004-D and 366,720,000 2004-P keelboat design nickels minted.
The first US nickels (5¢) were minted in 1866. The first Canadian nickels were made in 1922.
The only nickels that ever contained silver were the famous "war nickels" minted during WWII when nickel was a strategic metal. All other nickels are made of an alloy of 75% copper and 25% nickel.
Based on US Mint figures, a total of 1,212,895,399 buffalo (= Indian head) nickels were minted from 1913 to 1938
Please take another look at your coin. The first nickels were minted in 1866. Buffalo nickels were minted from 1913 to 1938.