Crazy that Apple sold this.

Seems like it belonged to an Apple employee who passed away.

Yes. Details are in the Christie's auction listing linked above. Scroll down to read the very interesting article about the Apple 1 in general and specifics about this particular machine.

Looks like it came from the Living Computer Museum.[0]

[0] https://www.geekwire.com/2017/important-computer-history-ste...