« Previous United Nations 45th Anniversary View Full Size All Images United Nations 45th Anniversary Format Other Tags OfficialFirstDay SloppyCancel UnitedNations WorldColumbianStampExpo Dates & Locations June 26, 1990 New York, NY, US May 25, 1992 Chicago, IL, US Related Covers United Nations 45th Anniversary Exploration Day Honoring the United Nations Security Co… Postal Administration Day Postal Administration Day United Nations at World Columbian Stamp…
