1923 (15 Oct.) Commercial reg’d airmail cover from Tallinn to Berlin, two 5m “1923” ovpts plus pair with sheet margin surcharged “10 Marka / 1923” tied by Tallinn cds, together with add’l 30m postage front or back also tied, bs 20.10.23 at Charlottenburg, uncommon, very fine (Image)

1932 (18 August) FFC Tallinn-Riga-Wilno by Polish L.O.T. line, bs Wilno same day, red boxed Polish hs, “NADESZLA poczta lotnicza” (Arrived by air mail), very fine (Mü. 21) (Image)