I just got four new to me toolboxes, from my neighbor who was a diesel mechanic. Perfectly good after a bit of sanding and oiling. They're awesome, from the 80s, well made, and they'll keep me going for a long time.
My father, a prodigious collector of oddities has done several wholsale removals of collections.
One comes to mind in parcticular - every single novel, novella, newspaper clipping and piece of paper of "E Phillip Oppenheim", a turn of the century paperback novelist who wrote hundreds of books and stories. Some guy drove out, gave him a nominal amount (a pittance for all the work done), but another avid collector.
Somewhere Indiana Jones of the paperback detective world is screaming "This belongs in a museum!"