19th century of square section, the finial cast in the form of a mythical beast rendered with characteristics of a qilin and the shell of a turtle, depicted with a prominent snout below a long curved horn, the diapered shell supporting books incised with floral motifs, the seal face uncarved. 5.3cm (2 1/8in) wide.Footnotes十九世紀 銅神龜負書鈕方印 See a closely related gilt-bronze 'mythical beast' seal, 18th-19th century, which was sold at Sotheby's Hong Kong, 11 July 2020, lot 3658. 參看香港蘇富比曾售出一件清十八至十九世紀鎏金銅龍馬負圖鈕「謙受益堂」方印，2020年7月11日，拍品3658。