Pof.7d, 15h vermilion, unique L 60-blok from sheet with big folded paper and print on gum, plate 5; mint never hinged, Vrba certificate exp. Škaloud, Vrba, biggest square known block 15h vermilion, 7 whole čtyřbloků without folded paper, quite surely this is UNIKÁT!
Pof.8 production flaw, 15 production flaw, 20h blue-green with control-numbers + 50h violet, selection of two bloks of four with šikmými vlasovými paper crease
Pof.9N production flaw, 20h carmine, vertical pair with significant double paper crease with partial print on gum, part print control-numbers; 1x hinged, exp. Vrba
Pof.11 joined bar types, 25h violet, block of four, 2x combination types bar on pos. 40 and pos. 49, in addition 1x arc type on pos. 49, plate 2; mint never hinged, exp. Vrba
Pof.11 joined bar types, 25h violet, L upper corner vertical pair, types combination and bar subtype IIa/II, pos. 1+11/2, in addition on pos. 11 arc type; mint never hinged, exp. Vrba
Pof.11 STs+STp+STo, 25h violet, vertical block of 6, II. bar types on pos. 7 and 8, spiral type I on pos. 27, as well subtype arc on pos. 7 and arc type on pos. 8, plate 2; mint never hinged, exp. by Gilbert
Pof.13N production flaw, 30h light violet, L marginal piece with production flaw - small/rare incomplete-printing L at top (folded paper); hinged, exp. by Karasek., Gilbert, Lešetický
Pof.13N, 30h light violet, block of four with širším bottom margin, double impression; hinged, small cutting R in the middle, otherwise nice, on reverse nepřesně marked as "dark violet", Vrba certificate, as blk-of-4 rare usage
Pof.18 joined spiral types, 75h grey-green, LL corner blk-of-4 with control-numbers with joined type spiral on pos. 82/2; mint never hinged, Vrba certificate, in čtyřbloku sought!
Pof.22a, 200h violet-blue, block of four; mint never hinged, Vrba certificate and Karásek, exp. by Karasek and Gilbert, luxury quality, rare occurrence!
Pof.25 Is, 500h brown, block of four with lower margin, spiral type I., without control-numbers for I. overprint airmail issue.; mint never hinged, exp. Vrba, decorative multiple!
