Johnny Winter 1974 14" x 21" Concert Poster - This rare vintage concert poster advertises a concert by Johnny Winter with guests Black Oak Arkansas and Brownsville Station, which took place on April 2, 1974 at the Portland Coliseum in Portland, Oregon. The poster measures 14" x 21" and is sealed in protective plastic with hard backing. PLEASE NOTE-PRE-AUCTION SALES: GWS reserves the right to sell any Lot(s) through a negotiated transaction at any time prior to the to conclusion of the auction. If a Lot is sold through a negotiated transaction, it will be withdrawn from the auction. All pre-auction purchases will receive free, overnight, insured shipping. Please email gwsauctions@gmail.com to submit a pre-auction offer.