Italian, probably 19th century

Overall the condition of the relief is good, with minor dirt and wear to the surface consistent with age. There is veining to the lapis lazuli, consistent with the material, including some slightly open veins, one running vertically through Apollo, and one diagonally across the relief at the legs. The frame is in good condition overall, with minor tarnishing and minor rubbing, notably at high points.
"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."