Los-Nr. 6687

1920, The 25 and 50r. surcharges on the Tree-type issue, 50r. on 50k. yellow tied by cds. "БАТУМ 20.4.20" to registered cover to Bern with arrival mark, vertical fold and opened on two sides, otherwise fine, a scarce cover depicted in "The Postage stamps of Russia, 1917-23, Volume 4, Transcaucasia", page 179 (by Dr. R.J. Ceresa)