Produced by the Austrian Mint.
The Wiener Philharmoniker or Vienna Philharmonic Gold Coin has been produced since 1989. The coin depicts the famed Vienna Philharmonic Orchestra.
The Gold Philharmonic is generally minted in the sizes of 1/10 oz, 1/4 oz, 1/2 oz and 1 oz.
The face value of the 1/4 oz coin is €25.
More information about the coin can be found on the Austrian Mints homepage.