EESTI 1925 Registered Airmail cover sent on 13.V. 25 from BALTISKI EESTI franked with 42b. 43b. 44ba  mixed franking of AIR: L.V.G. Schneider Biplane - red, carmine red and black overprint & Surcharge on pair 15/5m, 20/5m & 10/5  and definitives :1 mark , 3m. 20m . Additional cachets : 'TAHT' and airmail cachets on front.  Helenski pmk on front and back dated 14 V 25 .