10.5x22.25" high quality silk-screened poster for Aug. 6, 1998 concert that took place at the Phoenix Plaza Amphitheater in Pontiac, MI. Concert was headlined by blues guitarist/singer Buddy Guy w/support from blues, gospel, and rock guitarist/singer Jonny Lang and blues and soul musician Susan Tedeschi. Poster features stylized photo image of Guy and Lang w/guitars by Mark Arminski, whose distinctive signature appears at bottom in blue felt tip pen. Guy himself has boldly signed poster along left margin in blue felt tip pen, adding "98" date and Lang and Tedeschi have also signed in black felt tip pen, w/Tedeschi adding date of concert. Exc. From the Mark Arminski Archives and comes with a COA specially designed, signed and remarqued by him.