Collection of stamps cards and covers illustrating the development of international air post 1870-1950 / amassed by Miss Winifred Penn-Gaskell. 81: Quantity of air mail covers, mainly 1936-1945. 306 items; various formats, mainly used; many with own stamps, RAF censor franked; others with RAF censor markings only. Items 1-16 illuminate human situations including war movements, prisoner of war post covers, medical interest, broadcasting, Free French; item 9, Blythe House revisited. 1 binder. Handchecklisted. Remaining items are batched in condition for browsing. 1 box. Roughhandchecklisted