Grandfather plays the violin (sketch) Štěpán Zavřel Original bibliographical reference Grossvater Thomas, by Štěpán Zavřel, Bohem Press, Zurich, 1984 Other editions Nonno Tommaso, text and illustrations by Štěpán Zavřel, translated by Mafra Gagliardi, Bohem Press Italia, Trieste, 2012 Technique china Measures 8,9 x 12 cm Year 1983