This 2011 US Mint September 11 National Medal Commemorative Proof Silver Dollar OGP is a beautiful addition to any collection. The design features symbols honoring the brave men and women who lost their lives on that tragic day. This coin is uncirculated and made of modern silver/clad with a fineness of 0.9. It was struck at the Philadelphia Mint and comes with a certification from the U.S. Mint. The obverse of the coin depicts Lady Liberty holding the Lamp of Remembrance with an eagle in the background. The reverse features an eagle's head emerging from a pentagonal shape with inscriptions of the phrases “Honor” and “Hope” along with the words “2011 WTC” and “Pentagon” to honor the victims of the attack. This coin is a must-have for anyone looking to add a commemorative piece to their collection.