Los Nr. 3829
1923/1980's "Air Mail Postage Stamps & Payment of Correspondence XX Century": Exhibition collection of airmail stamps and covers on 154 pages, starting with 1923 semi-official stamps for the Quito-Ibarra route, also the various 1928-29 SCADTA issues for Ecuador including covers, and followed by regular and official Ecuador air stamps, sovenir sheets and covers, with many better items, varieties, imperforate stamps, unissued sets, and many interesting items more.
