Pof.SO22, 500h brown, 2 pcs of, 1x blue Opt with plate variety - "incomplete-printing numeral(s) 1 in year 1920" and 1x black Opt with plate variety "thin O"
Pof.SO22, SO22a, 500h brown, blue (pos. 14/1) and black (pos. 27/1) overprint, both stamp. with plate variety "thin O"; exp. by Karasek., Gilbert, Mrňák
Pof.SO23, 1000h violet with blue overprint, blk-of-15 with upper margin sheet, significant defect in overprint interrupted "O" missing numeral(s) "20" !; cat. only stamp. 3.000CZK
Pof.SO3, Hradčany 5h blue-green, very wide margins + SO23 and SO23a, 1000h violet, blue and black Opt; 2 pcs of exp. by Gilbert., SO23a marked and exp. by Mrnak., cat. over 2.500CZK
Pof.SO3 IIp, 5h light blue-green, bar type pos. 37, plate 1; sought by specialists, small thin place in stamp, viewing of quality recommended; exp. by Gilbert., photo-certificate Karasek
Pof.SO3A joined bar types, Hradčany 5h blue-green, corner blk-of-6, joined subtype type bar, pos. 10, plate 4, comb perforation 13¾; : 13½;, exp. by Stupka., c.v.. 1.200CZK
Pof.SO3B joined bar types, Hradčany 5h blue-green, block of four, joined subtype type bar, pos. 10, plate 4, line perforation 13¾;, exp. by Karasek., c.v.. 1.500CZK
Pof.SO3C joined bar types, Hradčany 5h blue-green, corner blk-of-25 with joined bar type pos. 18, plate 3, perf comb perforation 11¾;, hint only in margin, defect in paper 1 stamp., exp. by Karasek
Pof.SO4B IIr + SO22 IIr, Hradčany 10h green + 500h with blue overprint and bottom margin with control-numbers, both stamp. on cut-square, both frame types, CDS SLEZSKÁ OSTRAVA and MICHÁLKOVICE, exp. by Sablatura
Pof.SO5A joined spiral types, Hradčany 15h bricky red, blk-of-9 with L margin, 3x spiral types combination from that 1x associated with bar subtype, pos. 21, 22, 23, plate 1, several plate variety in overprint; 1x light fold on pos. 21, exp. by Karasek., c.v.. 1.150CZK
Pof.SO5D joined spiral types, joined bar types, Hradčany 15h with line perforation 13¾; : 11½;, UL blk-of-12 with 2 spiral types, 2 bar types and 2 associated types spiral and bar, plate 1; exp. by Karasek., cat. min. 8.000CZK
Pof.SO22a joined frame types, 500h brown with black overprint, the bottom block of 6 with control-numbers and joined types frame, pos. 93, plate 1; interesting offer, exp. by Gilbert., photo-certificate Karasek, c.v.. 12.000CZK, rare and superb block!
Pof.SO22aPP IIs, 500h brown with black inverted opt, very wide margins, spiral type II., plate variety overprint "interrupted O"; interesting stmp, exp. by Mrnak., Le, photo-certificate Karasek, c.v.. 7.000CZK
Pof.SO1, SO2, SO3 and SO6Pp, Hradčany, comp. 5 pcs of, all with inverted opt, values 1h, 3h, 5h (2 pcs of, from that 1x PLATE PROOF on yellowy paper without gum) and 20h blue-green; sought by specialists, exp. by Gilbert., Karasek
Pof.SO2, (3)N, 5, 6, Hradčany with overprint for express stmp., complete set of values 3h, 5h, 15h and 20h, value 20h with plate variety overprint prerušené "O", value 15h with light ohybem, exp. by Gilbert., Karasek, c.v.. 2.700CZK
Pof.SO1, SO1B, SO2, SO8C, Hradčany, comp. 4 pcs of, values 1h (2x), 3h and 25h, all with double or triple overprint, from that 1h with double overprint in/at black also red color; exp. by Gilbert., Karasek, c.v.. 2.750Kč
Pof.SO(3)N, 3B, 5E, 9, 21, 23, Hradčany, comp. 6 pcs of stamp. with significant shifts overprints, unissued 5h light green with overprint in margin, 5h blue-green corner piece with plate number IV adt.; exp. by Gilbert., Karasek
Pof.SO(3)N - SO10N, Hradčany, comp. 8 pcs of unissued imperforated stmp various values and overprints, i.a. 25h utramarínová with red overprint, 30h light violet with blue and red overprint, lightly hinged, exp. by Gilbert Le, Karasek, c.v.. 3.400CZK
