>>6042788It was a dollar store find I think, it's a copy of a New Ray design.
http://www.thortrains.net/armymen/newray3.htmlMore of an anti-aircraft piece but it could be multirole. I can also suggest the Marx 155mm howitzer, I have a couple of them and they're pretty neat. One minor bug I had with them is the wheels can slide off fairly easily, I corrected that with a couple Lego gear pieces but I think slightly flattening the tips of the axle with a heated flathead screwdriver should work too.
I'll see if I can find my artillery for a pic.