.... why doesn't anyone check my website?????

That particular chip is Seymour code IE-CU. The chip is shown on my "Misc Designs" page:

http://www.oldpokerchips.com/IVORY/IDmisc1.htm

If you click on the code a $25 chip a matching $25 chip is shown. The $25 chip is, my opinion, one of the top 5 nicest $25 chips known.