This is a set of two coins from the year 1964. One coin is a D Lincoln Penny and the other is a No Mint Mark Lincoln Penny. These coins have letter errors.They are ungraded and uncertified, but have been circulated. The coins were struck in Denver, United States, and have a denomination of Small Cent. The fineness and KM Number are unknown. These coins are a great addition to any coin collection and are perfect for collectors who are looking for unique pieces.