The St. Gaudens .999 Fine Copper Bullion 1 Oz Rounds are a highly sought-after investment product due to their high purity and precious metal content. This tube of 20 rounds contains 20 ounces of copper, each with a fineness of 0.999. Produced in the United States, these rounds are a popular choice among investors looking to add physical copper to their portfolio. With no certification required, these rounds offer a convenient and secure way to invest in this valuable metal.