By A Mystery Man Writer
West Point Mint - Wikipedia
Lincoln Highway - Wikipedia
Proof coinage - Wikipedia
Coin cleaning - Wikipedia
Lincoln cent - Wikipedia
Lincoln cent - Wikipedia
Wikipedia:Featured picture candidates/Lincoln cent - Wikipedia
File:1909-S VDB Lincoln cent reverse.jpg - Wikipedia
One Cent 1960 Lincoln Memorial, Coin from United States - Online Coin Club
Wikipedia:Featured picture candidates/delist/lincoln cent - Wikipedia