Two late Victorian revolving desk chairs late 19th century

the walnut example with baluster-shape splat and scroll arms, the oak example with button upholstered back and scroll arms, both with damaged cane seats (2)

(1) Devonshire House Inventory, 1892, p. 68 in the Green Room;
(1) Devonshire House Inventory, 1908, p. 16
(2) Devonshire House Inventory, 1908, p. 15 in the Library

Both in fair condition but with distressed caned seats. The rexine upholstered back to one chair is distressed with some rips and tears. Two feet to the same chair have significant losses. Both chairs have signs of wear including chips marks and scratches throughout.
"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."