1918TCP Prague Opt II. (large emblem), in red color on Austrian postage-due stmp from y 1916, values 10h, 20h, 25h and 50h (cat. Michel P48, P50, P51 and P54), 4 pcs, all exp. Hefer BPP In cat.: Philately / Czechoslovakia 1918-39 / Revolutionary 1918, U:A5
off. Žilina issue - Šrobár's Opt, values 10f and 15f Reaper white numerals, cat. Pofis these stmp. doesn't report, konkrétně is but zmiňuje Special manual (cat. Novotný, issue 1970, p. 494), well centered stmp also Opt, nice quality, quite rare occurrence, exp. by Gilbert In cat.: Philately / Czechoslovakia 1918-39 / Revolutionary 1918, U:A5