WWII Occupation - Croatia (NDH) Numeral Issues MiNr. 6 MiNr. 7 MiNr. 8 MiNr. 9 MiNr. 10 The NDH issued this set of postage due stamps on 12 September 1941. Set Date(s) 12 September 1941 Watermark(s) None Album Page(s) Numeral Issues MiNr. 6 MiNr. 7 MiNr. 8 MiNr. 9 MiNr. 10 The NDH issued this set of postage due stamps on 12 September 1941. Set Date(s) 12 September 1941 Watermark(s) None Album Page(s)