Sometimes this rod comes with two coiled snakes, according to the myth with Mercury (god of commerce), which peacefully separated the two snakes in the middle row. These, ipso facto, stopped fighting, and separated.
Do not confuse the Caduceus of Mercury, with the Rod of Asclepius (or Aesculapius), nor with the Rod of Hermes (in Spanish), nor with the Cup of Hygieia. The Caduceus image we've seen before. Following are the others I've mentioned:
Other blogs where further information are as follows (all next links in Spanish):
- Another blog physician (Asclepius Vs Caduceus) distinguishes this Unlike symbology is as follows: Helmhurst.
- Mercury, the god of merchants [in The Red Star].
- Hermes [in Greece Guide, from myth to reality].
- The god Mercury [in The Collector].
- The Lares, the guardian gods of the Kalends of May [on the blog of Ana Vazquez Hoys].