This 1943 Upper Left Corner Block of 4, Plate 2, 7c deep blue Scott #C8 "British Commonwealth Air Training Plan"  War Issue Air Mail stamps from Don's Classic Stamps is in Mint Hinged (MH) condition, with several hinge remnants (See Images). The Unitrade Specialized Catalogue of Canadian Stamps, which follows the Scott numbering system format in its listings, shows a Catalogue value of $8.00 (in Canadian currency) for this block.  (Item #11,718)