National Education Association Centennial 1857-1957 Block of Stamps

FIRST DAY OF ISSUE "AN EDUCATED PEOPLE MOVES FREEDOM FORWARD nea NATIONAL EDUCATION ASSOCIATION 1857 Centennial 1957 Art Craft PHILAD ADELA JUL 9-AM 1957 PA LPHIA HONORING THE TEACHERS OF AMERICA NATIONAL EDUCATION ASSOCIATION 1957 1957 UNITED STATES POSTAGE C ССССС FIRST DA HONORING THE TEACHERS OF AMERICA NATIONAL EDUCATION ASSOCIATION OF ISSUE 1857 1957 HONORING THE TEACHERS OF AMERICA NATIONAL EDUCATION ASSOCIATION 1857 1957 3c COC HONORING THE TEACHERS OF AMERICA NATIONAL EDUCATION ASSOCIATION 1857 1957 #