All of the Harrah's Entertainment Big Game Day (Super Bowl) chips are $25.00 according to the January Nevada Gaming Chip Report. Some of the Year of the Tiger chips are only $5.00:
http://gaming.nv.gov/documents/pdf/chip_token_jan.pdf

After numerous attempts and over thirteen years of "fiddling" with it, this chip finally released itself from a key chain. The glue was probably from the USA and not from a cheap factory in the far east
I had a choice of this chip glued to a key chain or a Super Bowl T shirt after making a wager in the Rio Sportsbook: