The hobby originated in Europe well over 100 years ago and that aspect which remains very active will continue to do so with numistmatists from generation to generations as publications continue while casinos without any known gaming tokens will be found and those ChipGuide pages receive the previously unknown.

Here in the US, the diversified collectors are virtually all gone and that interest has hardly been passed on to their sons and daughters as we see less and less of those US gaming jurisdictions being collected while the last standing (Nevada) is
about to take a big hit as you noted.