I don't "do" British but I would buy a set with Churchill with a Thompson SMG.

https://rarehistoricalphotos.com/winston-churchill-tommy-gun-1940/

The well known Churchill photo.

https://commons.wikimedia.org/wiki/File:Winston_Churchill_fires_a_Thompson_submachine_gun_alongside_the_Allied_Supreme_Commander,_General_Dwight_D_Eisenhower,_during_an_inspection_of_US_invasion_forces,_March_1944._H36960.jpg

Churchill with a Thompson and Eisenhower.

http://www.famouspictures.org/churchill-and-the-tommy-gun/

Churchill with a Sten.

https://www.auto-ordnance.com/thompson-1927-a1-long-guns/

The real deal, own one today.

Mike Bunkermeister Creek
Bunker Talk blog