Lot 492 Canada #9a 1949 50c Lumbering Official, Overprinted O.H.M.S. with Missing Period After S Variety, in the lower right stamp of a mint never hinged plate block. Quite fresh, will all stamps well centered, extremely fine. Accompanied by a 2014 Greene Foundation certificate. Unitrade CV$3,200, sold for C$2,500 plus buyer’s premium.