A RARE MARBLE-MOUNTED HUANGHUALI YOKEBACK ARMCHAIR (SICHUTOUGUANMAOYI) MING DYNASTY, 17TH CENTURY

the scrolled crestrail above a paneled splat, the upper panel of cloud design inset with white marble, the central panel of rectangular form similarly inset, the lower openwork panel of arched beaded design, with outscrolled arms supported by S-form stiles mortised and tenoned to the seat frame with two transverse braces underneath, the legs joined by a footrail in front and side and back stretchers

Sotheby's New York, 3 June 1992, lot 340.

The chair possibly reduced in height approximately 1 in., 2.7 cm, all of the aprons have been replaced, as have the spandrels and stiles on the armrests, and there are splices to strengthen the back feet.
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.

While there are examples of tables and stools with marble insets it is much rarer to find this feature on chairs.  For a closely related example see the pair of armchairs illustrated in Robert H. Ellsworth, One Hundred Examples from the Mimi and Raymond Hung Collection, New York 1996, no.11. For a differently proportioned yokeback armchair with only a single marble panel in the splat see  Splendor or Style: Classical Furniture from the Ming and Qing Dynasties,  National Museum of History, Beijing June 26 - September 5 1999, Catalogue, p. 83 from the Tseng Riddell Collection, the authors mention that theirs is the mate to another in the Nelson-Atkins Museum, Kansas City, Missouri.