The Glycon snake.
Margineau
M
M
Schwartz
A
A
D000818:Animals; D005495:Folklore; D018645:Greek World; D049690:History, Ancient; D049691:History, Medieval; D008877:Middle East; D010678:Philately / Q000266:history*; D012068:Religion and Medicine; D012911:Snakes; D014421:Turkey