You were looking for Small crown Trop chips if I remember. I could not remember which denominations you were interested in but I did see this...(not my auction, just thought of you).....

http://www.ebay.com/itm/Tropicana-Las-Vegas-1st-Issue-5-Casino-Chip-1957-/200994159553?pt=LH_DefaultDomain_0&hash=item2ecc2f7bc1