Canada, Airmail, 1930, 5¢ olive brown, o.g., never hinged, near perfect centering amid large oversized margins, fresh and pristine with deep color, Extremely Fine to Superb gem, a tough stamp so choice; with 2007 P.F. graded certificate (XF-S 95). SG No. 310. Scott No. C2  $140. $0 (Image)