Canada, 1929, 50¢ Bluenose, top margin pair with plate number, o.g., never hinged (lightly hinged in selvage only), both perfectly centered amid evenly balanced margins, Post Office fresh, Superb, a remarkable gem pair; with 2007 P.F. certificate. SG No. 284. Scott No. 158  $880 as n.h. singles. $0 (Image)