1921 Silver Dollar - You can add value to your collection with the 1921 Silver Dollar. These Morgan Dollars are an important part of American history. Those that enjoy history and have a numismatic background will know the joy of having a Silver Dollar in your collection. These coins contain .7734 oz actual weight. The Silver Dollars were in circulation from 1878 - 1904, then again in 1921. The 1921 Silver Dollar will look great in any collection. Buy these coins today.