Lot 1031 Oman #190C 1978 75b on 250b National Day, used with double circle 27.AUG.78 CEEB INTERNATIONAL AIRPORT cancel. Accompanied by 2013 Sergio Sismondo certificate stating “…genuine in all respects, postally used, with an appropriate cancellation for the period of validity. Stamp is entirely free from faults or repairs…A very scarce provisional issue…”, and signed on back by Sismondo. Very fine. Scott CV$2,250. See also lot 1030.
A Traditional Philatelic Auction House — Ottawa, Ontario, Canada
