“STACJA ROZDZIELCZA / dla jeńców i internowanych w Kobrynie”, violet three-line cachet on postcard from “KOBRYŃ 1.5.1919” to Lublin, rverse with minor imperfections, otherwise fine. A rare piece of evidence of a Polish prisoner-of-war camp for Russian soldiers during the Polish-Russian War in 1919, signed Petriuk with certificate (2025)