Original 1st printing 14 x 20" concert poster for Quicksilver Messenger Service with the Steve Miller (Blues) Band and the Daily Flash at the Avalon Ballroom in San Francisco, CA on 3/10-11/1967. Art by Victor Moscoso, image ("Peacock Ball") is # 51 in the Family Dog/Avalon series. Medium flat index stock poster is in in beautiful near mint (A-/B+) condition; a pair of tiny stains in the bottom margin just below "Ticket Outlets", a stray subtle pinch ding or two, a slightly worn top right corner tip and a tiny edge bump or two, otherwise, it's just about as bright/crisp as you can ask for. One of the prettiest Moscoso images in the FD series, this is a real sharp-looking example overall.