Commemorating 11th International Botanical Congress Seattle, Washington

First Day of Issue PSEUDOTSUGA MENZIESII An Craft FOUQUIERIA SPLENDENS CYPRIPEDIUM REGINAE FRANKLINIA ALATAMAHA Commemorating 11th INTERNATIONAL BOTANICAL CONGRESS SEATTLE, WASHINGTON ATTLE 23 1969 WA Pseudotsuga menziesii XIth Judson_J. Lydsey 4314N. Nelson Dr Renia Gel. 6¢ ROTA CONGRESS TVNOIL FIRST DAY OF ISSUE