In honor of its world-renowned philharmonic, Austria released these bullion coins made from 24k pure gold. The obverse design commemorates the organ in the Philharmonic’s Golden Hall, while the reverse side depicts the orchestra. This stunning bullion coin is very highly regarded, making it the world’s top-selling bullion coin for a number of years. The coin, stamped with its euro value, fineness, and weight, is available in denominations of 1 ounce, 1/2 ounce, 1/4 ounce, and 1/10 ounce.