50 Kopeck postage stamps, two values, one stamp with the variety "printing on the rough paper back", both Type I, postmarked "Sarny -a- 27 11 41" on a postal fragment, extremely rare, signed by Krischke BPP et alia and expertise by Walter Zirath BPP (2025) "..., of which only about 15 pieces in Type I are known. The condition is flawless .... ", Michel 2.