ref: f504195950b467a58b592751eb893eac20bce8b4 dir: /unicode/
U+2624 ☤ Caduceus (c.f. U+1F750 🝐 "alchemical symbol for caduceus"), U+2695 ⚕ "staff of Aesculapius and U+2625 ☥ Ankh