Big tank battle

坦克大會戰
Tanke da huizhang
Big tank battle
ca. 1938
Lushan huapian gongsi (庐山画片公司), Shanghai
53x79 cm.
PC-193b-005

This poster does not show an actual battle, but several modern and experimental types of tanks, including flying tanks and spherical tanks, explained in the texts left and right of the image.