On the editorial front, the most important change for 2016 is the elevation of the type II imperforate 1903 2˘ King Edward VII definitive (previous Scott 90a) to major number status as Scott 90A. This stamp, along with Scott 136-138, are the only Canada imperforate stamps that were actually issued to the public.
https://www.scottonline.com/2016-sc...ue-vol-2-c-fThus, 90A should be considered as a separate listing after all the 90 ones.