Canada, 1917, 3¢ Confederation. Tied in combination with U.S. 2¢ definitive by "Montreal, P.Q., Sep 20, 1917" machine postmark on red and blue YMCA flag patriotic cover to Lynn, Mass., light cover tone spots, Fine. SG No. 244 (no photo). Scott No. 135  Estimate $75 - 100. $0