1918-80, Airmail Stamps and Postal History, collection in two cartons with several hundred covers plus mint and used singles, used blocks, covers, etc., includes C3 and C18 used blocks of four, some foreign flight covers, special delivery, auxiliary markings, first day covers, binder of rate studies, etc., F.-V.F., a fascinating study. Scott No. C3//C100  Estimate $750 - 1,000. $0