They are Horseshoe, LV $25 and $100 chips and are being sold by dealer dealwheelndealnfleamarketdeal. The auction numbers are 260117269137 and 260117273803

They are at:

http://cgi.ebay.com/HORSESHOE-CLUB-BINION-3RD-ISSUE-LAS-VEGAS-100-CHIP-NM8_W0QQitemZ260117269137QQihZ016QQcategoryZ63756QQrdZ1QQcmdZViewItem

and

http://cgi.ebay.com/BINION-25-DOLLAR-CASINO-CHIP-HORSESHOE-CLUB-IGS-GRADED_W0QQitemZ260117273803QQihZ016QQcategoryZ63754QQrdZ1QQcmdZViewItem