100th Anniversary National Academy of Sciences Washington D.C.

FIRST DAY OF IS SUE THE SCIENCES 5¢ SHING FOCT 14 9-AM 1963 FIRST DAY OF ISSUE PRESIDENT LINCOLN AT THE SIGNING OF ACADEMY CHARTER IN 1863 THE UNITED D.C. OF 1863 FOUNDED 1863 NATIC 1963 100 TH ANNIVERSARY NATIONAL ACADEMY of SCIENCES WASHINGTON, D. C. Ar Craft TES OF AMERIC SCIENCES