1937 buffalo nickel no ment mark/ f designer stamp

This a very nice peace of American heritage. Packaged from the Littleton Coin Co Inc. and still currently sealed for protection like it was purchased. It has a faint impression of a F under 1937 Wich stands for the designer's name "James Earl Frasier" also it was the 2nd to last year of the buffalo nickel. Another reason to and this to your collection... On my coin snap app the coin actually got a mint state grade, but is not graded professionally, so there for it's a raw coin todate.