“MINERALNYI VODY 139 KISLOVODSK”, two fine strikes to envelope from a Denikin´s Volunteer Army soldier addressed to Station Kavkavsk in Kuban, franked on reverse with Russia 20 k. and 15 k. paying the 35 kopek rate, reverse arrival cds “ROMANOVSKAYA KUB. 28 4. 19”. The envelope with a light horizontal crease at bottom, fine. A rare Postal Wagon usage
