The first of these came in the 1500 s when printers began to use the caduceus as their insignia because they felt it symbolized their role as messengers and businessmen.

• 第一种源头是16世纪印刷工开始用克丢西尔斯杖作为他们的徽章，因为他们觉得这可以象征他们作为报信者和生意人的身份。