1858 Russia 10k brown & blue (No.2), tied by "104" in rectangle of dots on large part of FL (most of the top, side and bottom panels missing) from Bialystok to Warsaw, with framed departure datestamp and red Warszawa 8/9 (1858) arrival pmk on back
1860 10k rose red & blue, well centered, beautiful color, showing broken frame-line at left and at bottom, tied by "1" in concentric circles on outer FL (without arrival markings on back) from Warszawa to St. Petersburg, red departure postmark alongside at right, filing fold away from the stamp, v.f.
1924 Polish Eagle, 30gr violet+2gr brown, imperforate vertical se-tenant pair, folded between stamps, v.f., signed Rachmanow
1978 Interkosmos, Zenon Jankowski perforated sheetlets of eight, set of two, n.h., 6,90zl folded vertically between stamps, with little toning and marginal thins at bottom, stamps n.h., v.f. (Fi.Ark.XXVI-XXVII, zl 14,000) (Zenon Jankowski was selected as backup cosmonaut of the 1st Polish cosmonaut Miroslav Hermaszewski for the Soyuz 30 mission in 1978, stamps issued with his portrait were prepared but never released, since it was Miroslav Hermaszewski that flew on the Soyuz mission)