That is the former Memory Lane swap that used to be in Grand Rapids, Ohio. After the owner of Memory Lane Bike Shop passed away the property and contents were sold off. The new owners allowed the swap to continue for a couple years, but they have been trying to find a new permanent site.
Here's a link to a flier on The CABE:
https://thecabe.com/forum/threads/20...-22-24.170082/
Also a preview of some of the expected items:
https://thecabe.com/forum/threads/me...coming.178711/