comprising four cylindrical vases arranged in a square formation with each vase joined to the two adjacent vases by a vertical seam and the space at the center of the arrangement left open, the vases each with a sloping shoulder rising to a narrow waisted neck and an everted rim, covered overall in an olive-toned teadust glaze suffused with fine black flecks pooling at the foot and the perimeter of the recessed base, the rim glazed burnt-toffee color, the footring dressed in blackish-brown slip, the base of each vase impressed with a single character of the four-character seal mark 

In overall 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.
NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING CONDITION OF A LOT, ALL LOTS ARE OFFERED AND SOLD "AS IS" IN ACCORDANCE WITH THE CONDITIONS OF SALE PRINTED IN THE CATALOGUE.

Conjoined vases were an innovation of the potters at Jingdezhen during the Yongzheng period (r. 1723-1735), and vases of this form with teadust glaze are exceedingly rare with no other examples apparently published. A slightly taller vase of this form bearing a Yongzheng seal mark, but bathed in an imitation 'Ru' glaze, from the Qing Court Collection preserved in the National Palace Museum, Taipei, was exhibited in Qingdai danse you ci tezhan mulu / Catalogue of a Special Exhibition of Ch’ing Dynasty Monochrome Porcelains in the National Palace Museum, National Palace Museum, Taipei, 1981, cat. no. 77. A celadon-glazed vase of this type and mark sold in these rooms, 4th June 1984, lot 40; and a related example from the J. M. Hu Collection sold in these rooms, 20th March 2001, lot 263. A vase of this type and mark with a 'Guan'-type glaze sold in our Hong Kong rooms, 22nd May 1984, lot 185, then again in those rooms, 8th April 2011, lot 3002.