Three earthenware teapots, Yixing, 20th Century

Set of three small colorful Yixing clay teapots with different shapes. In the base they present the seal of the craftsman. 

Size: 6,50 x 8 x 13,80 cm; 5,80 x 8,80 x 12,20 cm; 7,50 x 6,20 x 10,50 cm