Lower Rhine, circa 1520

in armour with tasseted skirt, wings later replacement 

The wings are later and the face appears to have been repolished as has the breast plate . As is evident from the catalogue photograph the devil is missing below. Traces of gesso in the cracks and both arms have been reattached. As is evident from the catalogue photograph most of the devil is missing.
"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 the breastplate with the distinctive arch motif with that worn by the oak figure of the knight St. Gereon in the Rijksmuseum, iv.no.BK-NM-23. Illustrated by Scholten and de Werd in the recent exhibition catalogue at the Museum Kurhaus Kleve The St. Gereon is attributed to a Lower Rhine or Cologne workshop of the early 16th century.

RELATED LITERATURE
F.Scholten and G.de Werd,  Ein höhere Wirklichkeit Feutsche und Französische Skultur  1200-1600 aus dem Rijksmuseum Amsterdam, ex.cat. Museum Kurhaus Kleve, 2004, no. 17