Why did this chip sell today for $206 when other chips of this type have been selling for under $30? Am I missing something? I think a hoard of these chips were found a while back

http://www.ebay.com/itm/1-BARNEY-039-S-CASINO-CHIP-SOUTH-SHORE-LAKE-TAHOE-NEVADA-BROWN-GREEN-HORSESHOE-MOLD-/131345573503?pt=LH_DefaultDomain_0&hash=item1e94ce667f&nma=true&si=eor6v7IDJLkerVo9BLgQSK6oih0%253D&orig_cvip=true&rt=nc&_trksid=p2047675.l2557