Vtg 1961 Pan American Airways The President Special (10) Sheets & (10) Envelopes Stationery Set. Authentic and never used. President Special was a special Ultra First Class Service introduced in 1949 aboard the Boeing 377 "Stratocruiser", a double-decker aircraft with sleeperettes and a downstairs lounge. 

Truly a gem  from a by-gone era. 

10 sheets stationery, and 10 matching airmail envelopes with Pan Am log, and "IN FLIGHT JET CLIPPER" embossed in gold at the top of the page.