According to https://arstechnica.com/gaming/2018...-code-collection-then-puts-all-of-it-on-ebay/ Al Lowe is selling off a bunch of old Sierra stuff. I bet the Scummvm team would love to get their hands on some of that stuff...
It's important to note that he is just selling his copies of the source - there is no transfer of IP rights with this sale. Still, really important to preserve, I'd love to see it myself.
And is has been halted by Activision !!! Activision halts auction of Leisure Suit Larry’s source code despite not owning the IP https://www.pcgamesn.com/leisure-suit-larry-source-code-auction