20¢ St. Lawrence Seaway
Issue Date: June 26, 1984
City: Massena, NY
Printed By: American Bank Note Company
Printing Method: Photogravure
This U.S./Canada "simultaneous issue" commemorates the 25th anniversary of the St. Lawrence Seaway. With the Great Lakes, the St. Lawrence Seaway permits 9,500 miles of continuous water navigation.