1944, SEBENICO PROVISIONAL ISSUE: 3,50 Kn on 50 C violet with ovp ”N.D.Hrvatska”, block of four, together with 30 C brown handstamped ”N.D.H.”, block of four, each block tied by by cds SIBENIK, 21.IX.44, together with uncancelled Croatia 10 K blue war-tax stamp (Mi.6), on registered cover addressed to Krapina, arrival mark SPLIT 1 / 26, 26.IX.44, on reverse. Envelope with traces of usage, stamps partly stained and minor imperfections. Sebenico issues used on carried mail are VERY RARE!