1 3/4 inch (44mm) Round coin is minted in brass and finished in antique bronze, this coin was struck using special "splash" dies for a deep relief design of exceptional texture and quality. Dedicated to the USS Pearl Harbor and all those who serve this great Navy ship. The obverse features a detailed rendering of the ship in three-quarter profile. A CH-53E helicopter hovers above its flight deck. The reverse bears the ship's official crest and shield above the motto "Freedom is Not Free."