Up for sale is a Big 4 (Metallica, Megadeth, Anthrax, Slayer) double sided poster from Guitar World featuring Dave Mustaine (Megadeth), Kerry King (Slayer), Scott Ian (Anthrax), James Hetfield, and Kirk Hammett (Metallica).  Poster has been previously put on wall, has pinholes in corners (view photos) but is still in very good condition.  Rare!