1920, Hradcany 20h. carmine imperforate, fresh colour, block of four with large margins, unmounted mint (upper left stamp slight adhesion mark), signed Mrnak, Vrba and certificate Vrba. Pofis 2015 no. 9 N, 17.000 CZK. (Image)

1919, "Posta Ceskoslovensko" overprints, 5h. green express stamp in combination with vertical pair 25h. blue (type Ia-IIa) and bottom marginal corner block of four 10f. red (shifted surcharge) on registered local cover from "PRAHA ZEMSKY SNEM 30.12.19" (adopted postmark with erased German inscription), signed Gilbert, Karasek and certificate Karasek. (Image)

1919, "Posta Ceskoslovensko" overprints, 5kr. and 10kr. "Parliament" in combination with 75f. "Parliament" and 15h. "Karl" on insured letter 12.050kr. from "PRAGA ...20" addressed locally (adhesives and envelope some slight unobstrusive marks), signed Karasek AIEP and Pittermann AIEP. Rarely seen usage of the high values! (Image)

1919, "Posta Ceskoslovensko" overprints, 1f. green/black with rare watermark "Py", unmounted mint (tear at right), signed Dr.Fischermeister, Pittermann, Vrba and certificate Vrba. Pofis 2015 no. 126 Py (Image)

1919, "Posta Ceskoslovenska" overprints, 50f. green/black with better watermark, mint o.g. previously hinged (ink mark and partial offset of overprint), signed Mrnak. (Image)

1923, Masaryk, 200h.+200h., three colour proofs in red, bluish green and brown, issued design, unmounted mint, several signatures (Karasek, Gilbert, Vrba). (Image)

1923, 5th Anniversary of Republic 200h.+200h. "Masaryk", two proofs in issued design: blue imperforate on ungummed paper signed Karasek; orange-brown perforated on gummed paper signed Vrba. (Image)