One of the most desired coins of the series and one of the rarest. Population is very, very low. While almost everything had been destroyed in the towers, precious coins from around the. World were unearthed from a vault in one of the smaller towers, most in pristine condition. These became known as the “World Trade Center Coins”. Metals in the vaults underneath the World Trade Center. In addition, the Bank of Nova Scotia. Held millions in platinum, gold and silver bullion in building #4 of the World Trade Center. These coins where moved from the vault under World Trade Center #4 from. Mid October 2001 to the 1st of November 2001. Were sent via Brinks armored vehicles to the parent company of the renowned Professional Coin Grading. Service (PCGS), Collectors Universe. PCGS graded the coins and made them available as singles or in sets. The value of these coins is. Largely driven by availability. Some are scarcer than others and some are in more demand than others. The American Eagle coins. In 2001 are the most desirable.