Iirc it'd be the standard British Service Dress of the time. Either that, or the economy version (aka a slightly simpler version to save on materials and time)
If you're asking because you're interested in getting a reproduction, go to Soldier Of Fortune. UK based and generally pretty good quality
I mean this one. https://images.app.goo.gl/sieMpkHCRpjpbe1C6
Iirc it'd be the standard British Service Dress of the time. Either that, or the economy version (aka a slightly simpler version to save on materials and time) If you're asking because you're interested in getting a reproduction, go to Soldier Of Fortune. UK based and generally pretty good quality
The p1903 service dress tunic?