Liberia, 1952 Ashmun Map & View Issue Exhibition Collection, specialized award winning collection written up and displayed on sleeved pages in binder; starting with proof items including frame proofs and a scarce large die proof set, specimen and non-specimen overprint trial colors including blocks, regular and trial inverted centers, the rare unlisted 50¢ Airmail with frame printed on gum side (block and margin single), section of the souvenir sheets including scarce trial color and progressive printing sheets, section of covers including packetboat usages; includes some additional extra material and the von Saleski catalog, a lovely specialized issue collection. Estimate  $750 - 1,000. $0 (Image)