Lot no. 6633

1919, First Tree-type issue 50k. yellow and 3r. violet tied by cds. "БАТУМ 16 12 19" to reverse of cover to London with Paddington arrival mark, the letter was returned due to insufficient address with boxed "retour à l’envoyeur/adresse insuffisante" cachet on front, address cut out, otherwise fine, a scarce cover depicted in "BATUM UNDER OCCUPATION the years 1917 – 1921", page 70 (by Hans G. Grigoleit & Edward Klempka)