GOT MILK? New Vintage Promo Poster NWBA 1999 Full Size Poster. This poster was produced by the National Fluid Milk Processor Promotion Board for the nationwide Got Milk? ad campaign in 1999. National Women's Bastketball Association Players Nikki McCray, Lisa Leslie and Sheryl Swoopes with milk mustaches. Poster is full size and measures 23" x30" and in pristine condition. This full size promo poster has been stored flat since 1999 and will be shipped rolled in mailing tube.