JAN KAZIMIERZ (1620-1672), King of Poland. Privilege to Mikolaj Bielecki for his military services to the Republic for the estates of Zeleznica alias Berezytnia and Zabyczanie alias Murynber in Mstislav province, dated. Warsaw, July 28, 1654; autographs of the king and the WXL scribe. Minor Lithuanian seal imprinted through the paper. With the handwritten signature of King Jan Kazimierz and the countersignature of Aleksander Naruszewicz, the scribe of the Grand Duchy of Lithuania. Polish language. Mikolaj Bielacki (? - ca. 1683), lieutenant of the Cossack flag, later Cześnik of Mstislavl and Governor of Lyakhovichi (1673) and deputy to the Tribunal of Lithuania (1678). He received the aforementioned estates for life from his father Andrzej or Prokop Sokolowski. Related to the Sapieha family. 22 × 30 cm, cracks on folding, trace of dampstain.