Having had in three of these M1945 Air Marshals uniforms, I just wanted to add that the cuffs are not velvet, but were sky blue material. The collar was also of the same color ( black collar and cuffs for tank and artillery marshals, magenta for signals and engineering marshals).
He looked familiar but I was not sure. (-: Telling us that he wasn't as famous as his friends was a good hint. Also, he has that British gentleman look. Can you tell us his name?