About the obverse with the coin, instead of instruments There may be architecture, and one particular extra grand instrument. There exists an artist’s illustration from the balcony on the Musikverein Live performance Hall, often called the Golden Hall. Standing on it is the corridor’s famed pipe organ. The Austrian Mint, https://ferdinandl639tqp3.ageeksblog.com/26325521/buy-philharmonic-gold-coins-an-overview