this first one is a "Canadian Art Deeptone" series
There are nine pillars, representing the nine (at the time) provinces.
Princes’ Gates was opened in 1927 to commemorate the visit of the Prince of Wales, who later became King Edward VIII, and his brother Prince George, the Duke of York, crowned King George VI after his brother’s abdication.
and just to continue with the stats theme..... from the website -
CNE Lets Go to the Ex 1982 by Retrontario