Chinese gourd vase in white and blue porcelain

Beautiful chinese gourd vase in white and blue porcelain. Good quality porcelain for this nice decorative object. Two decorations on each side of the vase. The decorations depict two figures in a mountainous landscape with a tree in the center. On one side a character smokes, the other drinks from a gourd. On the other side the same 2 characters face each other, like a fighter, with the tree always in the center. Workshop stamp under the vase. The vase dates from the period of the republic (first half of the twentieth century).