Various Cultures Artifacts : Pre-Columbian Olmec carved black jade phallus and a Roman bronze winged phallus amulet a symbol of fertility, the female and male genitalia featured one side with a loop for wearing.
An ancient Roman tintinnabulum often took the form of a bronze phallic figure with wings, or Fascinum; a magico-religious phallus thought to ward off the evil eye and bring good fortune and prosperity.
Phallic amulets were often hung in the doorways of Roman houses and shops (with a lamp) to protect against evil spirits. Not considered erotic, they signified prosperity, due to their reproductive symbolism
Erotic Oil Lamp found in ancient Pompeii I probably wouldn't give this to the PCs as treasure, but it's good scene color for a dungeon originally owned by someone very tacky. Somewhere that the PCs should want to leave quickly.