I was told this chip was pretty old and made by Hamilton Laboratories & Manufacturing company. See website link. Not sure if it was an experiment or a promotional. The chip is made of a light plastic material and has a chemical smell. Same both sides. I have dupes if anybody wants one, $3 shipped. contact me directly. Thanks, Any info would be appreciated.
http://www.hamiltonlab.com/fisherhamilton/about+us/company+history/default.asp