Advertising kiosks in Lviv. Correspondence Serafin Stanisław 1936.03.06 Lwów Eng. Stanisław Serafin’s letter to Andrzej Frydecki with an invitation to participate in the conference on the construction of advertising kiosks in Lviv on 6th June 1936 Inventory number MAt IIIb-74/R paper typescript copy, drawing ink, ink, crayon 29,6 x 21,2 cm