100th Anniversary of First U.S. Stamps 1847-1947 - Series of 1847

BAY ISSUE 100 ANNIVERSARY OF FIRST U. S. STAMPS 1847 SO FIRST FFICE CE NPS 1947 wco SERIES OF 1847 PRIOR TO 1847, LETTERS WERE MARKED PAID, WITH PEN AND INK. ON MARCH 3, 1847, A LAW ENACTMENT AUTHORIZED THE ISSUANCE OF ADHESIVE STAMPS FOR THE PREPAYMENT OF POSTAGE. THIS SERIES JULY 1, 1847. OFFICIALLY ON SALE. ORK MAY 17 10-AM 1947 N. Y CENTENARY MERMATION 1847-1947 U.S. POSTAGE STAMP CENTENARY PHILATELIC EXHIBITION STATION