2017 American Silver Eagle, Brilliant Uncirculated Details, It's A Boy Weight 31.10 grams. 0.999 fine silver, 1.0000 oz. ASW. Obv Liberty Walking Towards rising sun Carrying Laurel Branch with her Arm extended Draped with a American Flag Dress REV: Eagle Centered Below 13 Stars surrounded by Legend. Each coin in the American Silver Eagle coin series contains one troy ounce of silver. The coins are legal tender with a face value of one U.S. dollar, although the coins are sold in the retail market based on the current market value of silver. The U.S. Silver Eagle coins are the only coins in the world that have purity and weight that is guaranteed by the United States government. Consequently, this is the only silver coin investment that can be included in an individual retirement account (IRA) in the U.S.