World Gold Council declared it the best-selling gold coin in the world. Since its introduction in October 1989 up to 2012, more than 14 million Philharmonics have been sold for a total weight of 9.6 million ounces or approximately 329 tons of gold. After the introduction of the euro, Philharmoincs began to be minted with a face value denominated in the new currency starting in 2002. Since February 1, 2008, a one-ounce silver version of the coin with a nominal value of 1.50 euros has been issued, struck from 99.9 percent pure silver. Unlike the reeded edge of the gold coin, the edge of the silver coins are smooth. Coins are shipped in boxes of 500, called "monster boxes." Each monster box consists of 25 tubes of 20 coins each. Sales of the silver Philharmonic have been brisk with over five million coins sold, equal to 1,800 tons of silver in the 5-year period of 2008 through 2012. The mint introduced a one-ounce platinum coin with the same design as the gold and silver in 2016. Like the gold coin, it has a face value of 100 euros. The purity is shown as 999.5 with the obverse of the coin reading "1 UNZE PLATIN 999.5." The Vienna Philharmonic is currently the only European bullion coin with a face value in euros, although it is only legal tender in Austria. In 2004, the Vienna Philharmonic accounted for 35 to 40 percent of sales in Europe. It is also popular in Japan and North America. For the 25th anniversary of the Vienna Philharmonic gold coin, the mint introduced the -ounce coin featuring the same design, but with a face value of 4.00 euros. Also for the anniversary, 5,000 proof sets of the one-ounce and one-quarter ounce coins were produced. The -ounce coin has been continued in production. Design The design for the coin was originally created by Thomas Pesendorfer to be used for the gold Vienna Philharmonic that was first issued in 1989. The Austrian Mint introduced the silver version of the coin in 2008. The design was unchanged and has remained the same each year. The obverse features the pipe organ from Golden Hall in the Musikverein, the concert hall in Vienna where the namesake orchestra plays. The German words "" (Republic of Austria), the composition and the weight are also minted on the obverse. The reverse design features an array