I posted this link earlier as a reply to another post.

If you are a Pennsylvania collector and wanted to know more about chips and gaming regs in the Commonwealth of Pennsylvania this link will provide you some great information.

- Chip Design
- Counterfeit Protection
- Chip Denominations
- Backup Chips
- Roulette Chips
- Tournament Chips
- Poker Rake Chips
- Plaques

The chip information starts on Page 43

http://www.pgcb.state.pa.us/files/regulations/Temporary_Table_Games_Regulations.pdf