#935 United Nations 15/04/17
The left stamp is part of the definitive set, which was issued on January 28, 2008. It depicts the monument for Johann Strauss (1825 – 1899) in Vienna.
The stamp set on the right was issued on October 21, 2014. It is part of the “Endangered Species”-series. The stamps depict the humphead wrasse (Cheilinus undulatus), the great white shark (Carcharodon carcharias), the giant oceanic manta ray (Manta birostris), and the American paddlefish (Polyodon spathula).