This 1930 5c olive brown Scott #C2 Air Mail stamp from Don's Classic Stamps is in Fine+ (F+) Mint-No Gum (MNG) condition, with some discolouration. The Unitrade Specialized Catalogue of Canadian Stamps, which follows the Scott numbering system format in its listings, shows a Catalogue value of $37.50 (in Canadian currency) for a MH stamp.  (Item #9374)