WHOLESALE PROV. & TERR. FLAGS, PACK OF 50 SHEETS OF 832a, 17c x 12 FACE $102.00 . AT THIS PRICE YOU CAN USE ONE SHEET TO MAIL A 100gm DOMESTIC ENVELOPE AND BE ONLY 8c OVER THE RATE. IN CASE SOMEONE ISN'T AWARE OF THIS, STAMPS CAN BE PLACED ON THE BACK OF THE ENVELOPE AS WELL AS THE FRONT. THERE IS ALSO 6 SIDES TO A BOX WERE STAMPS CAN BE PLACED. JUST MARK "OVER" ON THE FRONT BY THE STAMPS OR MOST POST OFFICES HAVE STICKERS FOR THIS. ISSUED June 15, 1979.