This jar is a remarkable example of a rare group of Cizhou wares with motifs both painted and incised through layers of black and white slip. Wares of this type are discussed by Yutaka Mino in the catalogue to the exhibition Freedom of Clay and Brush through Seven Centuries in Northern China: Tz'u-chou Type Wares, 960-1600 A.D.
, Indianapolis Museum of Art, Indianapolis, 1980, p. 198, where he suggests that they originally evolved from sgraffiato
wares. He further notes that while painted and incised wares may have originated in the Northern Song period, they became popular only in the Jin, concurrently with the decline of the sgraffiato
See also a related Cizhou jar painted and incised with birds, dated as Jin / Yuan, sold in our New York rooms, 11th September 2019, lot 508, and another from the Manno Art museum, illustrated in Toji Taikei, Jishuyo, vol. 39, Gakuji Hasebe, Heibonsha, 1974, no. 69.