I don't know what the meaning was but these are mother of pearl chips from a French casino that lost their location.
They didn't forgot to engrave it. The name and serial number was removed and repolished.

I think after a couple of pieces they got tired of doing this and just stopped. Lucky for us.
Possible Another UFC?

Bottom chips are available for trade or sale. Hard Rock is welcome also this time, send me a message what you have as a trader. I'm eassy.

Jo from Belgium.