Very cool and rare Vintage Blue Box Spec sheet literature. Authentic MXR memorabilia from the late 70's-early 80's 

Promotional material for vintage MXR pedals. A great item to compliment your vintage pedal! 

It is in very good vintage condition. Some yellowing/scratching of flyer with light roughness around some edges. I have multiple of these, so photo is representative of what you will receive. 

Guaranteed to please! Please check out my other auctions and add me to your favorite seller list so you don't miss out on my vintage tube, electronic, and musical equipment listings. Thanks for looking and good luck! :)