"BATUM 1" on 1918 postcard "Gymnase des filles" with attractive 20 Para rose and 10 Para green franking to Constantinople with arrival mark Istanbul on reverse and on front, tiny toned, light boxed Istanbul censor mark, cancellation rarity of Batum, an attractive showpiece (Coles-Walker no.1, Type B2)
6; Übersee A-Z; BATUM; Markenausgaben