The 2009 United States one-cent coin, minted in Denver, is part of a series commemorating the 200th anniversary of Abraham Lincoln's birth. The reverse of the coin features designs that reflect different stages of Lincoln's life, including his early childhood in Kentucky, his professional years in Illinois, and his presidency in Washington, D.C. Collectors often seek out 2009 pennies, particularly those in uncirculated condition or with unique mint marks, as they are a representation of American history and numismatic interest. A roll of these coins typically contains 50 uncirculated examples, appealing to both collectors and investors.