The 2010 Proof Shield Lincoln cents were issued in a 2010 (14 Coin) Proof Set. The 2010 cent replaced the old Memorial reverse and now has a new Shield reverse design.
2010 (14 Coin) Proof Set: The 2010 (14 Coin) Proof Set was first sold by the U.S. Mint on July 22, 2010 at 12:00 Noon (ET). Each set had a price of $31.95 each.
Each set contained a Lincoln cent, Jefferson Nickel, Roosevelt Dime, Kennedy Half Dollar, Native American Half Dollar, the five America the Beautiful Quarters and four Presidential Dollars all in Proof format and from the year 2010.