Sculpted ornament, XV century (Dijon?)
From Dictionnaire raisonné de l’architecture française du XIe au XVIe siècle (Reasoned dictionary of French architecture, from the XI to the XVI century), vol. 3 by E. Viollet-Le-Duc. Paris, 1875.
(Source: archive.org)
I want this kind...intricate detail in my house. :D