1990 45¢ Tropical Coast
Issue Date: October 12, 1990
First City: Grand Canyon, Arizona
Quantity Issued: 48,000,000
Printed by: American Bank Note Company
Printing Method: Photogravure
The 1990 airmail stamp, issued by the Postal Union of the Americas and Spain, features a Caribbean island beach like that discovered by Columbus. It was printed together with the 25¢ America issue on one quadrant of the same sheet.