GREAT BRITAIN 1964 (FDC) BOTANICAL CONGRESS ORDINARY, DUNDEE
Botanical Congress ordinary set on illustrated cover to Guatamala with DUNDEE, ANGUS circular cancel dated 5 AUG 1964, the first day of issue. Reverse with ESCUINTLA receiving cancel dated 10 AUG 1964. Cover slit at top otherwise fine. SG655-658; SC414-417
