Would It Get Some Wind For The Sailboat / And It Could Get For It Is

Robert Wilson / Philip Glass
"Einstein on the Beach" Deluxe Edition Book & Print, 1976
(Book signed by Robert Wilson, Philip Glass, and Andy DeGroat; Limited Edition Print signed by Robert Wilson)
For the (reasonable?) price of $9000.
On the plus side, all proceeds go to the (awesome!) MATA New Music Festival.