Coin Trivia for 31 August 2010 What is the highest denomination bronze U.S. coin? Where was stone money used? Where is the face check number located on a 1981A $1 Federal Reserve note? What is the numismatic term for the tail of a coin? What US Mint opened in 1969? Answers1. Two-cent piece 2. The island of Yap 3. The lower right-hand side of the white space 4. Reverse 5. The Philadelphia Mint 1. Two-cent piece 2. The island of Yap 3. The lower right-hand side of the white space 4. Reverse 5. The Philadelphia Mint Category - Trivia