The six-character mark reads: Yuan ben ye jia zhi fu.
A nearly identical pillow, but carved on top with a design of two boys amidst peonies, is in the Metropolitan Museum of Art and illustrated in Oriental Ceramics, The World's Great Collections, Tokyo, 1977, vol. 12, pl. 23. This pillow also bears a mark enclosed in a rectangle that consists of the last four characters in the mark of the present lot; this mark has been translated 'master of the house of Ye', ibid., p. 302.
A related pillow, recovered from the Sinan wreck off the coast of Korea, was included in the Special Exhibition of Cultural Relics Found off the Sinan Coast, National Museum of Korea, Seoul, 1977, col. pl. 22.