1946 Pof.D71 production flaw, Hlubotisk 1,20Kčs red, R marginal blk-of-4, on 2 stamp. significant vertical stain printing color; mint never hinged, defects gum of storage, povolená horiz. perf, after all interesting and unusual
1946 Pof.D75 inverted comb perforation, Hlubotisk 5Kčs red, UR corner blk-of-4 with inverted comb perf progressing L to R; mint never hinged, spot on 1 stmp., rare!
1954 Pof.D83A, Die-stamping 60h grey-green, block of four, omitted perforation hole between pane position 88 and 98; mint never hinged, rare occurrence!
1963 Pof.D90A, Die-stamping 3Kčs, Stickney, pair with R margin from reprint - light violet with glossy gum, for comparison common str-of-3 (dark violet, dull gum); mint never hinged stamps from reprints on/for Stickney are practically nesehnatelné
1971 Pof.D93xb + D94xb, Flowers 20h and 30h, on paper optically cleared (!), value 30h with R margin; mint never hinged, two most sought values on/for different paper, c.v.. 2.000CZK
1971 Pof.D102yb + D102ya, Flowers 5,40Kčs, comp. 2 pcs of, 1x fluorescing paper 2 and 1x fluorescing paper 1 stamp. with upper margin; superb, intact fluorescence, stamp. fluorescent paper No.2 marked by Pofis., often missing in collections!