CADUCEUS is validvalid

a heraldic wand or staff [n CADUCEI] : CADUCEAN [adj]

60,998 of 196,601 in NWL2023·also valid in CSW24

(Latin) a Greek or Roman herald's wand; specifically the wand carried by the messenger-god Hermes or Mercury, usually represented with two serpents twined round it [n CADUCEI]