Peter Brown's (Madonna) Oberheim Xpander Up for Auction?

via this auction
"This unit was at one time owned by Peter Brown, and there is a service log on the back of the unit documenting this - see the photos. Here is some information on Peter Brown from allmusic.com: 'Peter Brown first came to fame with the first million-selling 12" dance single, "Do Ya Wanna Get Funky with Me." Brown was a pioneer in home recording, having recorded his seminal hit in his bedroom. (His '70s-era home recording studio is pictured on the cover of Westside/DNA's Get Funky with Me: The Best of the TK Years.) He also co-wrote Madonna's 1985 pop hit, "Material Girl," with Peter Rans.'"