Joseph Ullman Fur Company, St Paul MN trading card.

I like it! That's a new one to me, I think.

Could be, but that's assuming the artist knew anything about frearms in the first place.

I see what looks like a trigger guard in about the correct location, but nothing that looks like a lever loop behind it.

ammo belt certainly has 303 Savage cartridges! Artist was obviously a hunter who appreciated accuracy in his gun and his painted images

Pretty cool, but I kind of doubt they used a model. My guess is it's a generic rifle. Although I think the other guy is carrying a model 1920.

Looks like it has a tang safety