German MARKE HESS WW1 tin toy cannon, from the 1920s/30s.

German MARKE HESS WW1 tin toy cannon, from the 1920s/30s. Nice cannon that can fire with a spring device. Provenance: has been in family ownership since the 1920s/30s. Dimensions: approx. 13.5x7x4.5 cm. Condition: Tested, works fine, otherwise see pictures.