Duke Ellington [Postage stamp] : first day cover, unaddressed.

Captions on stamps: Duke Ellington, 22 USA; captions on envelope: "Duke" Ellington, famed orchestra leader, pianist, composer, Performing arts series; postmark date: Apr 29, 1986.
A U.S. First Day Cover, or FDC, bearing a stamp cancelled on the date the stamp was first available for postal use.
Scott Catalogue: U.S. #2211 22 cts Duke Ellington.
A 22-Cent commemorative stamp honoring Edward Kennedy "Duke" Ellington, issued April 29, 1986, in New York City. It was the ninth stamp of the Performing Arts Series. Jim Sharpe of Westport, Connecticut, designed the stamp, which features a profile of Duke Ellington superimposed over the partial image of a piano keyboard. The stamps were printed in the photogravure process by the American Bank Note Company, with panes of fifty. Cf. the online catalog of the Smithsonian National Postal Museum, object no. 1999.2004.482.