A treasure trove of Outsider Art discovered in a dumpster in 1970. Curious art, with a curious provenance. Note how it's value has steadily increased...from garbage, to $10,000 for the folio, to in excess of $10,000 per page...

 

Link: https://www.messynessychic.com/2020/01/07/the-curious-case-of-the-notebook-from-state-lunatic-asylum-no-3/

I love this stuff...