1979 15¢ Endangered Flora
Issue Date: June 7, 1979
City: Milwaukee, Wisconsin
Printed By: Bureau of Engraving and Printing
Printing Method: Photogravure, Andreotti Press
This se-tenant issue showcases four of the more than 1700 plant species likely to become extinct if threats to their existence are not removed. These stamps were issued during the National Convention of the Garden Clubs of America.