need help identifying an artillery model

[Dochejed]

I found this at the bottom of my lead pile and don't know what it is or where I got it.  I"m not even sure I assembled it correctly.  It looks a bit more WW1 than VSF to me, but can anyone identify what artillery piece it is'

Thanks.

[tom q vaxy]

"cannon"

[Poiter50]

SiG 33, German 150mm Howitzer, WW2.

[Dochejed]

Thanks tom, that narrows it down a bit. 
Thanks Poiter50, that nails it!

[The_Beast]

Good thing I came late to the discussion. As low depressed the barrel is, I was thinking AT gun...

My wouldn't THAT have been a fruitless search!

Doug