This 2009 US Mint Lincoln Bicentennial One Cent Proof Set features high-grade proofs that showcase the beauty and craftsmanship of this historical coin. The set includes a set of four proof coins,  certified by the US Mint. The set is a perfect addition to any collection and a great way to celebrate the legacy of Abraham Lincoln. The coins in this set were struck in proof condition, which means that they were specially produced with polished dies and planchets to create a mirror-like finish and sharp, detailed designs. The set is also certified by the US Mint, ensuring its authenticity and quality. Add this beautiful set to your collection and own a piece of American history.