The Complete Lincoln Penny Design Collection includes a variety of circulated small cents with a copper and zinc composition, minted in Denver and Philadelphia. This collection features a Certificate of Authenticity (COA) with number 11085C2, making it a valuable addition to any coin enthusiast's collection. Each penny in this collection is a piece of American history, showcasing the different designs and mint locations throughout the years, all encapsulated in a red-brown color and business strike type.