Chinese painting "Calligraphy with bamboo" with signature Zheng Banqiao

Watercolour on paper, with canvas frame. The scene is traditional with bamboo branches and rocks. At the top is an inscription, in ink, and ending in the signature "Zheng Banqiao" and two seals. In good condition with wear. 

Size: 134 x 67.5 cm; Size with frame: 190 x 79 cm