United Nations Offices in Vienna

The United Nations opened offices in Vienna in January 1980. It often releases joint issues alongside the offices in New York and Geneva.

 File:UN Vien 10s first defin.A.webp|1979 10 schilling definitive File:UN Vienna 2000 year of Thanksgiving.jpg|2000 Year of Thanksgiving, a dual currency issue File:UN Vie 2009 indig.webp|from the 2009 indigenous peoples set   File:UN Vienna 65th anniv.A.webp|2010 65th anniversary of the UN. File:UN Vienna 2011 year forest.png|2011 €0.62 Year of the Forest 
 * It issued six definitives in August 1979, before the official establishment of the organization in Vienna. Stamps were inscribed VEREINTE NATIONEN. Did the UN have to wait for paint to dry before moving in?
 * In 2000, stamps were denominated in dual currency (Austria schillings/Euros) in anticpation of the changeover to Euros.
 * Beginning in 2002, all stamps were denominated in Euros only.
 * Beginning about mid-2006, inscriptions were (almost) all changed to "U.N." or "UN".
 * Beginning in 2007, several issues were released but never sold in the UN post office in Vienna. Figures.
 * circa 2010, at least two issues ignored the indication of any country or organization of origin, a UPU requirement, or so we thought.