This isn't the first auction/sale showing multiple chips for sale. These have been plastered all over eBay in lots of 1, 2, 10 & 20.
http://www.ebay.com/itm/20-OBSOLETE-SOUTH-SHORE-LAKE-TAHOE-NEVADA-BARNEYS-1-CASINO-CHIPS-BROWN-GREEN-/201048125828?pt=LH_DefaultDomain_0&hash=item2ecf66f184#ht_351wt_1363
