I vectorized this with Inkscape from a public domain line drawing I found on Wikipedia by a user named "Rama". I also have posted this SVG file to the Wikimedia Commons:
http://commons.wikimedia.org/wiki/Image:Caduceus.svg
Original drawing:
http://commons.wikimedia.org/wiki/Image:Caduceus_large.jpg
Free vector flyer background template for your bar, club or party communication. Cool vector of music speaker and shiny graphic elements. Modern urban RnB, techno house, electro, dubstep music event background in Illustrator AI and EPS format; easy to edit the colors and add your text and logo.