Here's something you don't come across every day. Looks like (87) $1 chips from Sharkeys in NV from mid-70's.
eBay.com
http://www.ebay.com/itm/Lot-Of-Clay...943205?hash=item23798a02e5:g:fR4AAOSwEzxYWJ2B
ChipGuide.com
http://www.themogh.org/cg_chip2.php?id=NVGASH
eBay.com
http://www.ebay.com/itm/Lot-Of-Clay...943205?hash=item23798a02e5:g:fR4AAOSwEzxYWJ2B
ChipGuide.com
http://www.themogh.org/cg_chip2.php?id=NVGASH