The collection includes guitars signed by Slash, Tom Morello, Tony Iommi and members of Aerosmith, Bon Jovi, Def Leppard, the Alice Cooper Band, Metallica, and Iron Maiden. Among the rarities are a prototype electric guitar made for and signed by Eddie Van Halen and a custom hand-carved Ronnie James Dio memorial guitar created by DBZ Guitars. Also in the collection is an Epiphone electric guitar signed by country music stars Taylor Swift, Keith Urban, and Kenny Chesney, and three guitars hand-painted by the elephants of the Asian Elephant Art & Conservation Project in Thailand. For more, visit juliensauctions.com.