One more time.
NCV's are approved by gaming.
No value chips do not need to be submitted to gaming but some casinos do submit them

Roulettes have always been approved by gaming.
Roulettes are not no value or NCV. They are ROULETTES.

"How about non denominated poker chips... NCV or NV?"
They either say NCV or they don't. If used on the tables they need to say NCV.