1917 Postal stationery card 5k. brown issued for the Provisional 'Kerenski' Government, used REGISTERED from Reval/Tallinn, Estonia to MALTA via Helsingfors, Finland and London in 1919, additionally franked by Estonia 1919 70p. yellow-olive tied by Reval '26.4.19' cds, with "R" in oval and "R/No.0826-A/TALLINN" h/s in violet, London '11 MY 19' transit dater as well as Finnish CENSOR h/s and British "PASSED CENSOR/No.4182" Crown triangle h/s on front, and on the reverse with Helsingfors 30.IV and 1.V. transit datestamps, fine, and RARE as thus. (Image)