Liberia, 1942, 1¢-10¢ Native Animals Complete, Master Vignette and Frame Die Proofs. In green on bond paper affixed to brown card, vignette with county/denomination, serial and American Banknote Co. imprint at bottom, with matching set of frames with serial numbers at top and additional horizontal format frame without denomination, fresh and Very Fine. Scott No. 283P-288P  Estimate $750 - 1,000. $0 (Image)