Sometimes I search ebay for "$5 casino chip", then sort by highest price first.

Here are the top 3:

https://www.ebay.com/itm/1951-Al-Coopers-Polynesia-5-2nd-Edition-Casino-Chip-Las-Vegas-NV/372125000929?hash=item56a460e4e1:g:QWcAAOSwQJ5UUqzi
Al Cooper's Polynesia - $125,000

https://www.ebay.com/itm/1951-Al-Coopers-Polynesia-5-2nd-Edition-Casino-Chip-Las-Vegas-NV/372125000929?hash=item56a460e4e1:g:QWcAAOSwQJ5UUqzi
Al Cooper's Beachcomber - $90,000

https://www.ebay.com/itm/Las-Vegas-NV-Casino-Chip-Wilbur-Clark-s-Desert-Inn-5-Arodie-Mustard-Blue-R9/302024116374?hash=item46520a4896:g:4UAAAOSw53NY-~OM
Wilbur Clark's Desert Inn - $19,499

I mean, these are crazy right? Wasn't the highest ever recorded sale price a few years ago at the Club Auction, $90K for the Golden Goose?