40006896, Cades, 13.II.A.539, Sacrifice of a serpent carried out by a satyr kneeling in front of an altar situated at the foot of a tree, from which is hung a goat's head. In the middle is another ithiphallic herm of Pan, in teh middle is a man who makes the sacrifice and a woman helps him., Cades, T.: Impronte dell' Instituto, Libro 13, classe II, A no. 539