The unique reverse design of the 2012 proof platinum eagle emblematic of the principle “To Provide for the Common Defense,” the fourth of six principles of American democracy found in the Preamble to the United States Constitution. A vigilant minuteman from the Revolutionary War represents the protection and defense of the country during its early days. The minuteman carries a rifle and a book, which symbolizes the importance of knowledge in defending our Nation. It also features an American Eagle privy mark from an original “coin punch” identified at the United States Mint at Philadelphia. Inscriptions include UNITED STATES OF AMERICA, 1 oz., .9995 PLATINUM and $100.