1941, 2nd issue 50 p. in horizontal pair, tied to Yugoslavian postcard 'Small King Peter' 1 d. to Germany with censor mark, scarce combination
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0,50 d. with overprint inverted, due to wrongly inserted stamp into a defective sheet before the overprint, unused o.g., a very scarce variety, certificate Wieneke BPP (2002)
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1,50 d. (2) and 4 d. (5) and surcharge on postage due 50 p., used on front and reverse of airmail mourning cover to California with German censor label; apparently only the airmail surcharge of 23,50 k. franked; cover slightly reduced in size at right by opening
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5 d. and provisional issue 2 DIN on 4 d., used on postcard landscapes 1 k. as registered postcard from "SARAJEWO 22.IX41" via Bukarest to Istanbul, slight transportation marks and top left corner of the card damaged, very scarce foreign mail
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1941, Croatian Army overprint proof on white chalky paper, horizontal block of 16, ungummed, fine and scarce, certificate Pervan (2017)
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4 d. with overprint in black instead of red, block of 4 from the right sheet margin, unmounted mint, sign. Ercegovic
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1941, Philatelic Exhibition 1,50 d. + 1,50 d. and 4 d. + 3 d. in cpl. sheets with right margin perforated, unmounted mint, a very rare variety, just few sheets perforated that way
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1941, Gold overprint 1,50 + 1,50 d. in cpl. sheet with 16 stamps and 9 vignettes, showing full offset of the gold overprint on reverse, unmounted mint, fine and scarce
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1 DIN on 3 d., used on postal stationery card landscapes 1 k. from "ZAGREB 21 VIII 41" to Chicago with German and British censor handstamps, very scarce
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1941, Landscapes 30 k., 4 engraved essays in different colours on ungummed white paper, mounted into presentation card; designed by Otto Antonini, very rare
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1942, Surcharge issue 0,25 kn. on 2 k., overprint essay with broad bar over original value, block of 4, unused with small part original gum and adhesions, one value with pencil corrections; a very scarce multiple, sign. Velickovic and certificate Wieneke BPP (2012)
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0,25 k. on 2 k. with overprint in black, single copy and single marginal copy with plate no. "I" in the margin, unmonted mint, for the first stamp certificate Zrinjscak (2009)
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0,25 k. on 2 k. with overprint in black, block of 4 from the left sheet margin, unmounted mint, 2 values slight gum bend, otherwise fine and scarce
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1942, Ustascha Youth Fund 3 k. + 6 k. and 4 k. + 7 k. in imperforated sheets of 16, unused with original gum, hinge marks in the upper margin only, stamps unmounted mint
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1943, Famous Croatians 1 k.-3,50 k., each as die proof on ungummed paper in block format, very fine, certificate Zrinjscak
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1 k.-3,50 k., die proofs in issued colours on chalky paper, ungummed, dated in the margin "19.4.43", fine and very scarce
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1 k., die proof in black-olive on ungummed paper, sign. Seizinger, very scarce, certificate Velickovic (2003)
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1 k., die proof in black on ungummed paper, small format, in the margin sign. Seizinger
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3,40 k., progressive die proof in block format, sign. Seizinger, some faint creasing, otherwise fine and scarce, certificate Velickovic (2003)
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1943, 3. Zagreb Philatelic Exhibition 18 k. + 9 k., 5 imperforated colour proofs and issued stamp, all in blocks of 4 with engraver's mark "S" on the top right-hand stamp, unmounted mint, a fine and scarce group
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Souvenir sheet, master die proof in bluish-grey with large margins on sunken paper, marginal faults, very rare and attractive
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Souvenir sheet, master die proof in emerald-green with large margins on sunken paper, sign. Seizinger, very rare and attractive
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Souvenir sheet, master die proof in blue on ungummed paper, sign. Seizinger
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Souvenir sheet, imperorated proof in black in format of the issued souvenir sheet, on ungummed paper, in the margin sign. Seizinger and dated 18.5.43, some minor creasing, very scarce
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1943, Boskovic 3,50 k. and 12,50 k., die proofs in issued colours on gummed paper in block format, in the margin dated "3.11.43", fine and scarce
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