The ANA (American Numismatic Association) which has been around since 1891 ... (and is primarily considered a coin collectors group) welcomes paper money collectors, tokens collectors, medals collectors, error collectors, military badge collectors, transporation collectors, hobo nickel collectors, elongated penny collectors, wooden money collectors, bibliomania collectors, private mint issues, civil war token collectors and yes; casino chip and gaming token collectors .... among others.

There is nothing that discourages or prohibits collectors of other gaming related items to join the "Casino Chip & Gaming Token Collectors Club".