VINTAGE PRE-WAR SMALL 5" MARKLIN? CAMO SPRING LOADED FIELD CANNON ARTILLERY VGC

VINTAGE PRE-WAR SMALL 5" MARKLIN CAMO SPRING LOADED FIELD CANNON ARTILLERY VGC. This is about 5 inches long by about 2.5 inches wide, the plunger still works great the spring is strong and the lithograph tin is in very good condition. There is some black looks like paint on the wheels, I dont think its original. This is marked germany on the bottom. See pictures