Commemorative cover from the 1957 International Henryk Wieniawski Violin Competition held in Poland, signed in ink and pencil by the entire jury of the competition, including: Grazyna Bacewicz, Wladimir Avramov, Gabriel Bouillon, Frantisek Daniel, Irena Dubiska, Gustaw Fritzsche, Andre Gertler, Zdzislaw Jahnke, Marija Mihalovic, David Oistrakh, Louis Persinger, Max Rostal, Gerhard Taschner, Vilmos Tatrai, Eugenia Uminska, Gioconda de Vito, and Tadeusz Wronski. In fine condition. Originates from the collection of American violinist and pianist Louis Persinger (1887–1966), who trained at the Leipzig Conservatory and later taught at Juilliard, mentoring the likes of Yehudi Menuhin, Ruggiero Ricci, and Isaac Stern. RR Auction COA.
