Oceanside Casino Closing California. Fatt's Casino $1,000 came in an assorted box of leftover chips. around 2001 or 2002. (when did Oceanside close? That year...) From the owner of that card room.
Something tells me this is a Fantasy Chip, or never valued chip from a real casino, because of the insert colors.
I also had been told it was a buy in chip for the Oceanside card room.
I don't claim to know anything for sure.