A Circular Wucai 'Immortal' Dish Tianqi Mark and Period

painted with Cao Guojiu holding the clappers and riding on clouds, accompanied by an inscription reading Langyuan Penglai sandao ke (A visitor to Langyuan in the Penglai Islands), the base with a four-character Tianqi mark within a double-circle; together with a polychrome-enamelled square dish painted with a crane and pine

The Riesco Collection (circular dish).
Sotheby's London, 11th December 1984, lot 302 (circular dish).
Marchant, London (square dish).
The Riesco Collection (square dish).
Sotheby's London, 11th December 1984, lot 310 (square dish).

From the Tang to the Qing: Chinese Ceramics from circa 618-1850 A.D. from the Collection of Dr. and Mrs. Peter Thompson, Hull University, Hull, 1996, cat. nos 79 and 80.

The circular dish: extensive fritting and nibbling to the rim; minor firing imperfections. The square dish: the lower left hand corner chipped off, approximately 10mm wide; and a smaller chip to lower right corner (6mm); minor firing imperfections, otherwise in good condition.
"In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Sotheby's is merely a subjective, qualified opinion. Prospective buyers should also refer to any Important Notices regarding this sale, which are printed in the Sale Catalogue.
NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING A LOT, ALL LOTS ARE OFFERED AND SOLD AS IS" IN ACCORDANCE WITH THE CONDITIONS OF BUSINESS PRINTED IN THE SALE CATALOGUE."