The listing, 1913 1¢ Balboa perf 12 green - US Scott # 397 has ended.
U.S. #397
1913 1¢ Panama-Pacific Exposition Commemorative
Issue Date: January 1, 1913
Quantity issued: 334,796,962
Printed by: Bureau of Engraving and Printing
Method: Flat plate
Watermark: Single line
Perforation: 12
Color: Green
This 1913 commemorative stamp series was issued to publicize the upcoming 1915 Panama-Pacific Exposition that was held in San Francisco. The exposition commemorated the discovery of the Pacific Ocean as well as the construction of the Panama Canal. This stamp features Vasco Nunez de Balboa, who discovered the Pacific Ocean in 1513 and claimed all the shores washed by it for Spain.