CLICK HERE FOR AUCTION LISTING!6.75x10" printer's reference color guides were produced by photocopying John Byrne and Terry Austin's linework onto photographic paper and coloring w/watercolors. Coloring was done by noted comic colorist Glynis Oliver (here using her married name Wein). Color guide is from X-Men #133, published by Marvel May 1980. Iconic issue features an appearance by the Hellfire Club and sees Wolverine fighting on his own. Page features six panels and shows Wolverine facing off against lone Hellfire Club guard, who throws down his weapon in fear. Color guide has handwritten color notations and is Exc.