Los 6676
1920, The large 25 and 50r. surcharges from Metalhandstamps, 50r. on 4k. red, inverted surcharge, unused, short perf. at top, otherwise fine, a scarce variety, signed Romeko
depicted in "BATUM UNDER OCCUPATION the years 1917 – 1921", page 104 (by Hans G. Grigoleit & Edward Klempka)