North American Wildlife Sheet
On June 13, 1987, the North American Wildlife sheet became the third US 50-stamp se-tenant. It was also the third stamp issue with a First Day ceremony outside of the US, in Canada.
Stamp Exhibitions
World Stamp Show 2016
On May 28, 2016, the doors opened on America’s 11th International Stamp Exhibition, World Stamp Show 2016. It marked the show’s return to New York after 60 years.
First US Commemorative Booklet
On January 23, 1986, the USPS issued its first commemorative booklet, which honored stamp collecting. Promoting the upcoming AMERIPEX, it was also a joint issue with Sweden that honored 100th anniversary of the American Philatelic Society.
2nd U.S. International Philatelic Exhibition
On October 16, 1926, the US hosted its second international philatelic exhibition in New York, New York. Among the show’s highlights was the issue of America’s first souvenir sheet.
CAPEX ’78
On June 9, 1978, Canada opened its second international stamp exhibition, CAPEX ’78 (CAnadian Philatelic EXhibition). The show marked the first time the US issued a souvenir sheet outside of the country.
Washington 2006
On May 27, 2006, the tenth US International Philatelic Exhibition opened at the Washington Convention Center in Washington, DC. Officially named Washington Philatelic Exhibition Inc., its most often referred to as Washington 2006.
Opening of CIPEX
On May 17, 1947, doors opened on the Centenary International Philatelic Exhibition in New York City. It celebrated the 100th anniversary of America’s first postage stamps with reproductions of America’s first two stamps.
First Se-Tenant Booklet Stamps
On March 11, 1977, the USPS issued its first se-tenant stamps in booklet form.