I did just see another auction for that chip from another seller- there just seemed to be something wrong with the first one I saw....

http://cgi.ebay.com/Vintage-1-Sahara-Las-Vegas-NV-/160606900912?pt=LH_DefaultDomain_0&hash=item2564ead2b0#ht_500wt_949

James' book 2nd edition doesn't show the pic of the 11th issue