, concertina-bound, each containing 12 monochrome portraits of Water Margin characters, all but one bearing the seal 'Yang Wei Darren' after the inscription to upper right margins, and one with 'Yi Yang', three with additional seal upper left, 'Zheng Shan Tang', each printed on buff paper, sheet size 18 x 10cm (7 x 4 ins) and mounted to rectos only, some soiling and occasional dampstaining, original boards, rubbed and soiled, split along front folds and covers detached, 25 x 14.5cm (10 x 5.75 ins) (Qty: 2)