Welcome James! There a bunch of good online places that you can get actual authentic chips. I'll post a list for you here and also a video that I made talking about how you can differentiate an actual casino chips from a fake, commemorative or fantasy chip. Hopefully this information is useful for you!

Excellent places to get real authentic casino chips and they are willing to help out with information:
https://spinettisgaming.com/
https://www.all-chips.com/
http://www.marlowcasinochips.com/

Here's the video on how to tell a real from a fake, commemorative or fantasy chip:
https://youtu.be/5eJeQKf1QfM