1979 15c Endangered Flora: Persistent Trillium

U.S. #1783
1979 15¢ Persistent Trillium
Endangered Flora

Issue Date: June 7, 1979
City: Milwaukee, Wisconsin
Quantity: 40,763,750

Printed By: Bureau of Engraving and Printing

Printing Method: Photogravure, Andreotti Press

Perforations: 11

Color: Multicolored

This stamp is part of a se-tenant issue showcasing four of the more than 1700 plant species likely to become extinct if threats to their existence are not removed. The stamps were issued during the National Convention of the Garden Clubs of America.