Not my auction but was wondering... I had not heard of this chip.
http://cgi.ebay.com/Dunes-Sultan-5-Chip-2nd-Issue-R-9-Five-Dollar_W0QQitemZ270716432048QQcategoryZ63752QQcmdZViewItemQQ_trksidZp4340.m8QQ_trkparmsZalgo%3DMW%26its%3DC%26itu%3DUCC%26otn%3D5%26ps%3D63%26clkid%3D7744095832327640114
Rich
