Austria 50 Euro 2012 Adele Bloch-Bauer. Obverse Lettering: REPUBLIK ÖSTERREICH GUSTAV KLIMT 50 EURO 2012. Reverse: Collection: Klimt and his Women. A prime example of Klimt’s 'golden phase'; Portrait of Adele Bloch-Bauer I is the first of the artist’s masterpieces to feature in our superlative Klimt and his Women series. It was also the most expensive painting in the world when purchased for the Neue Galerie in New York at a price of $135 million in 2006. Edge Plain. Gold(.986) 10.14g. KM 3213. With Box & Certificate