Sowerbutt's Bodyguard

To one side stood a fit-looking man in his forties, flecks of grey adding distinction to his slicked-down black hair. He had once been Sir Oswald Mosley’s bodyguard. 
https://www.amazon.co.uk/Colour-Smoke-London-Sowerbutt-Novels-ebook/dp/B00RYR8BWG