• Orpheus
"As a token of your belief in me, Eurydice must walk behind you as you travel back to the upper world", Hades said, "and you must not look back at Eurydice until you have exited the under world."
http://qindex.info/i.php?x=9915

• token
"As a _____ of your belief in me, Eurydice must walk behind you as you travel back to the upper world", Hades said, "and you must not look back at Eurydice until you have exited the under world."
http://qindex.info/i.php?x=23647