Scandinavian, 15th century

Overall the condition of the ring is very good, with minor dirt and wear to the surface consistent with age. There is minor warping to the bezel, hoop, and the rosettes to the sides of the bezel. There are a few minor scratches.
"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."

Compare three 15th-century rings from Southern Sweden illustrated by Citroen (op.cit.) and Norwegian rings illustrated by Kielland (op. cit.). 

RELATED LITERATURE
T. Kielland, Norsk Gullsmedskunst I middelalderen, Oslo, 1927, fig. 223; K. Citroen 'Two medieval rings, The Schulpengat Find' in Studien zum Europäischen Kunsthandwerk, 1982, figs. 2 and 3