1919, Numerals 10penni green, imperforated with additional franking tied by cds. "TARTU -4 10 19" on slightly overpaid cover to Tallinn, very fine and attractive. Only 2 sheets with imperforated 10penni were inadvertently sold in Tartu, ProFi has registered only three covers bearing the 10p. imperforated, one of the great rarities of Estonia, detailed certificate Löbbering BPP (2016)
