1946 Jefferson Nickel in protective casing. The coin is a rare 1946 Jefferson nickel with no mint mark. Minted in Philadelphia. This circulated coin, featuring President Thomas Jefferson on the obverse, has a denomination of 5 cents and was struck as a business strike in the United States. This coin is circulated, ungraded, and uncertified, making it a unique and valuable collectible for numismatists interested in rare coins. Post-World War Il Coin.