WWII Occupation - Croatia (NDH) 6th Yugoslavian Overprints MiNr. 43 MiNr. 44 MiNr. 45 MiNr. 46 On 17 May 1941, the NDH issued a sixth set of overprints of Yugoslavian stamps (Postage Dues, MiNr. 64 II, 66-68 II). Set Date(s) 17 May 1941 Watermark(s) None Album Page(s) 6th Yugoslavian Overprints MiNr. 43 MiNr. 44 MiNr. 45 MiNr. 46 On 17 May 1941, the NDH issued a sixth set of overprints of Yugoslavian stamps (Postage Dues, MiNr. 64 II, 66-68 II). Set Date(s) 17 May 1941 Watermark(s) None Album Page(s)