sign: National Airlines, United States bicentennial

Plastic, foam, paint. Gift of the William Hough Collection, SFO Museum Collection. 2006.010.195.

Circular sign with yellow and orange airline logo in center surrounded by black text, “Happy Birthday U.S.A. / 1776 - 1976.”.

This is object is classified as "Equipment (Sign)", and is part of the Aviation Museum collection.

This object depicts