Headquarters of the United Nations in New York City

The headquarters of the United Nations is a complex in New York City designed by Brazilian architect Oscar Niemeyer. The complex has served as the official headquarters of the United Nations since its completion in 1952. It is located in the Turtle Bay neighborhood of Manhattan, on spacious grounds overlooking the East River.

 Four stamps on postcard, but only two are cancelled. Interesting postmark with date upside down.
Stamps on postcard:
United Nations, issued on 7.5.1993.
Hands holding flags, issued on 3.2.2006.
UN Emblem, issued on 28.3.2003.
The Golden Rule, issued on 11.9.1991.


Thank you, SL Liew!