1945/80 (ca.), AEROGRAMMES: duplicated accumulation of about 280 airletters, lettercards and aerogrammes with a wide variety of different types and sub-types, varieties, pictorial issues, some formular types etc., commercially used mostly to USA but also some unusual destinations and a nice part CTO with First Day or special cancels, uprated items, a few interesting postmarks, mostly in fine condition and an excellent study material for the specialist with a very high cat. value - please inspect!