Juliusz Kossak (1824 - 1899) "Chmura" ("Trębacz pułkowy"), 1872 watercolour/paper, 31.8 x 26.7 cm signed and dated lower right: 'JKossak | 1872' on the back German paper label with artist biography, exhibition label from the Society for the Encouragement of Fine Arts in Warsaw and handwritten explanation of the scene and authenticity confirmation by Wojciech Kossaka: 'Chmura Schtabstrompeter (Regimental Trumpeter), 13th. uhlan regiment of Count Trani famous for the charge at Custozza in |