Pathe news clip of the event - definitely look like Scotland strips:
https://www.youtube.com/watch?v=jaqyIn5aqUs
Given the Nazi treatment of Jews, even in the early stages of their reign, choosing White Hart Lane, with a significant Jewish following, seems a bit strange too.
A further search threw this article up; one of the England shirts up for sale and actually three lions, not a Thistle:
https://www.gazettelive.co.uk/sport/football/football-news/rare-george-camsell-england-shirt-11980842