The artwork is signed and dated, copy 4/20. jan pamuła (b. In 1944) a polish artist, professor of academy of fine arts in cracow. In 1961-1968 he studied painting and printmaking in cracow. In 1967 he was studying in école nationale supérieure des beaux-arts in paris. During 1990s he got a fullbright fundation scholarship and worked in new york institute of technology. He took part in over 50 individual exhibition in poland as well as abroad. He's works are part of collections of national museum in warsaw and cracow, architecture museum in wroclaw, victoria and albert's museum in london, albertina in wien and many others. this piece has an attribution mark, i am sure that it is completely authentic and take full responsibility for any authenticity issues arising from misattribution