Popular bullion coins - Wiener Philharmoniker

The Wiener Philharmoniker coin, produced in 1/10th oz, 1/4 oz, 1/2 oz and 1 oz variations, was first issued in 1989. Each variation of this European gold coin contains 24 carat .999 purity gold.
The Philharmoniker is produced by The Austrian Mint, a company with an 800-year history of coin-making that’s located in Vienna and employs more than 200 people.
Paying tribute to Austria’s role in - and love of - the world of classical music, the reverse of the coin features an array of eight detailed musical instruments, including four violins, a cello, a harp, a Viennese horn and the bassoon. The front of the coin features the famous pipe organ from the Goldener Saal (golden hall) of the Viennese Musikverein (musical society).

 Source: Gold Bullion