The cover features a multi-color design with flags and national emblems, and is postmarked with a First Day of Issue cancellation. This vintage item is a unique addition to any stamp collection. The cover is in used condition and ungraded. It is from the United States and was manufactured in the same country. The certification for this item is uncertified, and there are no California Prop 65 warnings. This rare piece of history is a must-have for any stamp enthusiast.