...that chips are not covered under the Hobby Protection Act. Neither are Civil War Tokens or Gaming Tokens covered under HPA ... but that was not the issue. It is yours.

"Substitutes for money" has generally been the accepted definition included in the term "numismatics" ... other than coins. Chips definitely fall into that category.

According to my on-line dictionary I found the following;

Main Entry: nu·mis·mat·ics
Pronunciation: \-tiks\
Function: noun plural but singular in construction
Date: circa 1828
: the study or collection of coins, tokens, and paper money and sometimes related objects (as medals)
— nu·mis·ma·tist \nü-ˈmiz-mə-tist, nyü-\ noun