Collectible Buffalo Nickel mint mark set housed in a clear display. Includes coins from Denver, San Francisco, and Philadelphia mints. Printed historical panel with descriptive text. Great for collectors and display. The item shown is The Historic Buffalo Nickel Mint Mark Collection, a set of vintage American five-cent coins produced by the United States Mint between 1913 and 1938. Contents: The collection features coins from the Philadelphia (no mint mark), Denver ('D'), and San Francisco ('S') mints The coins shown in the image, minted between 1913 and 1938, are composed of an alloy that is 75% copper and 25% nickel.