1oz Copper Geiger Round

The coin in the photos is a 2010 Schloss Güldengossa 1 AVDP oz .999 Fine Copper Round, produced by Geiger Edelmetalle, a well-known German mint. The obverse features Schloss Güldengossa, an 18th-century baroque castle that houses Geiger's headquarters, surrounded by 12 stars. The reverse displays a large numeral "1" with stylized stripes and stars, indicating one avoirdupois ounce of .999 fine copper. Though not legal tender, these rounds are popular among collectors and bullion enthusiasts for their artistic design and affordability. They are often used for promotional or educational purposes in the precious metals community.