I don’t usually like to be totally 100% certain about anything, but this one seems pretty dang clear! (RRC 447/1)
Addendum. Tassie records a jasper with the same design (no. 2682) in the collection of one Mr. Chracherode.
Second Addendum. A related glass paste: BM 1814,0704.2253 = ex. Townley coll. = Tassie 1042:
Caduceus replaces sceptre perhaps to lessen regal overtones? Or simply to mark the coming of good things…