1991 50¢ Switzerland
Issue Date: February 22, 1991
City: Washington, DC
Printed By: American Bank Note Co
Printing Method: Photogravure
Switzerland is the oldest operating republic in the world. This commemorative stamp honors its 700th anniversary.
U.S. #2532 is the first U.S. non-airmail commemorative to carry a 50¢ rate since the Trans-Mississippi Series of 1898.