QIANLONG PERIOD (1736-1795), CAIRUN TANG ZHI MARK IN UNDERGLAZE BLUE WITHIN A DOUBLE CIRCLE

The very rare hall mark, Ciarun Tang zhi (Made for the Hall Enriched with Brilliance), is recorded by Gerald Davison in The New & Revised Handbook of Marks on Chinese Ceramics, Somerset, 2010, p. 104 and p. 266, no. 1263, where it is attributed to the Qianlong period.
A virtually identical Cairun Tang zhi-marked bowl of approximately the same size (16.5 cm. diam.) is illustrated by John Ayers in The Baur Collection, vol. 4, Painted and Polychrome Porcelains of the Ch’ing Dynasty, Geneva, 1974, no. A 585.