1959 10¢ Pan-Am Games
Issue Date: August 27, 1959
City: Chicago, IL
Printed By: Bureau of Engraving and Printing
Printing Method: Giori press printing
Color: Violet blue and bright red
#C56 marks the opening of the Pan-American Games of 1959 at Chicago, Illinois. 2,263 athletes from 18 countries participated in the 3rd Pan-Am Games. The stamp was issued for use on airmail letters headed to Central and South America.