The product is a 1943 Steel Penny with rainbow toning, featuring doubling in the date (DDO) and more BU. This error coin is a Lincoln Wheat Penny minted in Philadelphia, United States. As an ungraded, uncertified coin, it is classified as uncirculated and belongs to the Small Cent denomination. The unique features and variety of this coin make it a desirable collectible for numismatists interested in US coins with special attributes.