Pof.RV20-21, Prague overprint I (Small Emblem), Express 2h (line perforation 12½) and 5h (line perforation 11½); mint never hinged, exp. by Gilbert and Vrba
RV PLATE PROOF Prague overprint II (large emblem), red Opt on/for Austrian newspaper stamp. Mercure 10h orange with lower margin; mint never hinged, certificate and exp. Vrba, rarely occurring overprint trial printing, here in addition with sheet margin, specialist very sought!
RV PLATE PROOF Prague overprint II (large emblem), red Opt on/for Austrian newspaper stamp. Mercure 2h brown with lower margin; mint never hinged, certificate and exp. Vrba, rarely occurring overprint trial printing, here in addition with sheet margin, specialist very sought!
RV PLATE PROOF Prague overprint II (large emblem), red Opt on/for Austrian newspaper stamp. Mercure 4h green with lower margin, full overprint offset on gum; mint never hinged, certificate and exp. Vrba, rarely occurring overprint trial printing, here in addition with sheet margin and offset, specialist very sought!
RV PLATE PROOF Prague overprint II (large emblem), red Opt on/for Austrian newspaper stamp. Mercure 6h blue with upper margin, full overprint offset on gum; mint never hinged, certificate and exp. Vrba, rarely occurring overprint trial printing, here in addition with sheet margin and offset, specialist very sought!
Pof.RV43-57, Hluboka issue (Mareš's overprint) Crown, Coat of arms and Charles 3h - 1 Koruna with red overprint; hinged, 40h minor faults, all exp. by Gilbert and Vrba, sought
Pof.RV59, Hluboka issue (Mareš's overprint) Coat of arms 3 Koruna red, granite paper, red Opt; in/at area repaired gum, viewing of quality recommended, exp. by Gilbert and Vrba