Croatian Occupation of Sibenik (Sebenico). 1944 (March 31) 2k+1k on 30c overprinted stationery card from Sibenik to Pozega (Croatia), additionally used with Sibenik cds; very scarce. (Image)

1944 (April 10) Cover from Sibenik to Zagreb, bearing 50c pair with "N. D. H." overprint, tied by dispatch cds; a rare mail franked by stamps with rubber overprint. (Image)

1944 (July 13) 2k+1k on 30c overprinted stationery card sent express from Sibenik to Pozega (Croatia), additionally franked with 3,50k on 50c in mixed franking with Croatia 1k three singles, tied by cds's on departure; a very rare express usage of a stationery card; cert. Caffaz (1999). (Image)

1944 (Sept 21) Registered cover from Sibenik to Zagreb, franked by 3,50k on 50c pair and single, in combination with Croatia 2k and charity 10k, tied by dispatch cds's, showing transit of Split and arrival cds on reverse; a very rare non-philatelically inspired usage; signed F.A. Zanetti. (Image)

1944 Group of five covers including a rare usage from Sarajevo, two covers bearing 3,50k on 10c in combination with Croatia 2k (in one the Croatian stamp does not belong to cover), 3,50k on 50c in mixed franking with Croatia 2k (cert. Fleck, 1967), as well as two registered and registered express covers showing mixed frankings. (Image)