Headquarters of the United Nations themselves only, formally, at the request of the Secretary-General. Journalists, when reporting from the complex, often use "United Nations" rather than "New York City" as the identification of their location in recognition of the extraterritoriality status. The currency in use at the United Nations headquarters' businesses is the U.S. dollar. The UN's stamps are issued in denominations of the U.S. dollar. U.S. postal rates must be followed. The complex has a street address of United Nations Headquarters, New York, NY 10017, USA. For security reasons, all mail sent to this address is sterilized, so items that may be degraded can
Headquarters of the United Nations which was a gift from the Luxembourg government Other prominent artworks on the grounds include "Peace" - a Marc Chagall stained glass window memorializing the death of Dag Hammarskjöld - the Japanese Peace Bell which is rung on the vernal equinox and the opening of each General Assembly session, a Chinese ivory carving made in 1974 (before the ivory trade was largely banned in 1989), and a Venetian mosaic depicting Norman Rockwell's painting "The Golden Rule". A full-size tapestry copy of Pablo Picasso's "Guernica", by Jacqueline de la Baume Dürrbach, is on the wall of the United Nations building at