Bidspirit auction | Canada - Modern Errors

Canada - Modern Errors - 1979, definitive issue, Queen Elizabeth II, (17c) green, a single with black color omitted and horizontal perforation shifted to the bottom, full OG, NH, VF and very scarce, a common stamp is added for comparison, C.v. $750, Unitrade C.v.$1,250, Est. $300-$400, Sc. #789d