Antigua, Cyprus, Montserrat, Hong Kong, St Kitts Nevis and St Helena all issued commemorative sets before WW2. Truth be known they were all frowned upon at the time. Plenty of other places in the Empire had pictorial issues before 1935.
The 1938 SG even complained about the copying of old designs for the new reign!
When I was a youngster I loved the colourful stuff and all the commemoratives. Now I'm drowning in definitives
