The only tokens marked Liberty Bell (no e) in Janice's very complete list were made in 1979. TGT shows it still has gaming, so maybe they're still using the 25 year old tokens. They probably don't get much play there, so it's possible. Here's a scan of a proof '79 dollar from there.

The 50c silveen token was marked Liberty Belle, so they must have changed their name in the 1965-79 era.