Bada Shanren (Zhu Da); Letters to Fang Shiguan; China; Qing dynasty (1644-1911); Bada Shanren (Zhu Da) (Chinese; 1626-1705); datable to ca. 1688-1705; China; Album of ten leaves; ink on patterned and plain paper; Image (leaf a; right letter): 7 3/4 x 5 7/16 in. (19.7 x 13.8 cm); Image (leaf a; left letter): 7 1/4 x 4 9/16 in. (18.4 x 11.6 cm); Image (leaf b; right letter): 7 1/2 x 5 3/16 in. (19.1 x 13.2 cm); Image (leaf b; left letter): 7 x 4 9/16 in. (17.8 x 11.6 cm); Image (leaf c; right letter): 7 1/2 x 5 3/16 in. (19.1 x 13.2 cm); Image (leaf c; left letter): 7 1/4 x 4 9/16 in. (18.4 x 11.6 cm); Image (leaf d; right letter): 7 1/2 x 5 3/16 in. (19.1 x 13.2 cm); Image (leaf d; left letter): 7 1/4 x 4 9/16 in. (18.4 x 11.6 cm); Image (leaf e; right letter): 7 5/8 x 5 3/16 in. (19.4 x 13.2 cm); Image (leaf e; left letter): 7 1/4 x 4 3/4 in. (18.4 x 12.1 cm); Calligraphy