During scanng through OOB I just found that this small bofors gun not alway has correct pictures so we go
Poland
Nice colorised photo of infantery unit gun
Soliders has an french Adrian helmets but this photo is from 1936 and polish Cavalery has french helmets as standard
37mm Gun from Cavalery unit
With horse ammo waggon
Infantery unit
In the rear backround you can see artilery waggon for 37mm gun in polish army infantery has 2 horses and cavalery 3 horses to keep speed with rest of units. Icons for this waggons are already in game 2847 & 2848
Motorized infantery unit they use cars usually PF 508 to pull gun and they use german stallhelm from WWI so are often seen as germans
Soviet
They captured many guns in 1939 and then from Romanians. In desperation in 1941 used them in Moscow defense. Can't find nice photos from front but there is from Rusian test trials https://warspot.net/29-swedo-polish-tank-killer
England
Adopded as Ordnance QF 37 mm Mk I. We know nice photos of instaled on cars but there are standalone
Polish with Bofors (polish made sold to UK before war) in Tobruk
Australians
British soliders with Sudanese guns
In UK after recived from Poland
On vehicles
Romania
First bath they buy from Poland in January 1939 then guns internet with Polish soliders in September 1939 and on the end in 1940 germans sold them many guns captured in Poland. So they have around 700 pieces
Romunian Cavalry
Denmark
This gun from photo destroyed two german tanks
Swedish bofors in Danish forces in Sweden 1941
Germany
Guns captured in Poland as 3.7cm PaK 36(p) and Denmark 3,7 cm PaK 157(d).