1929, 2¢ Ohio River, Lake, left margin single with plate number, o.g., never hinged, choice centering and margins, rich lake color, Extremely Fine, a rare and seldom offered color variety and unique with plate number, listed but unpriced in Scott; with 2011 P.S.E. certificate. Scott No. 681a  Estimate $500 - 750. $0 (Image)