This 1930 Block of 4 5c olive brown Scott #C2 Air Mail stamps from Don's Classic Stamps is in Fine+ (F+) Mint Never Hinged (MNH) condition, with a few gum wrinkles. The Unitrade Specialized Catalogue of Canadian Stamps, which follows the Scott numbering system format in its listings, shows a Catalogue value of $225.00 (in Canadian currency) for this block.  (Item #10,692)