A Roman Marble Votive Stele of Asklepios, perhaps Gallo-Roman, 2nd/3rd Century A.D.

standing with the weight on his left leg, both arms lowered, and holding a staff with entwined serpent in his left hand, a rocky outcrop against his right leg, and wearing a himation leaving his chest bare; no restorations.

Belgian private collection, acquired in the 1950s/1960s (object is set into a custom-carved wood base with faded half-torn label underneath typewritten "Esculape gallo romain / marbre 2-3 S. apr. J.C.")
Sablon Antiques, Brussels
acquired from the above by the current owner

As described, French nicotine patina.
"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."

For a related example from Vichy see E. Sikora, Revue archéologique du Centre de la France, vol. 22, no. 3, 1983, p. 180.