Own a piece of history with this 1st Edition World Trade Center Coin from Coins of America. The commemorative coin features a beautiful design that pays tribute to the iconic World Trade Center and the events that unfolded on September 11th 2001. This 1st Edition coin is difficult to come by as it was more limited run than other coins. Weighing One Troy ounce of. 999 fine silver, this coin is Certified authentic by MPI and will make a great addition for any collection.