mixed media (watercolor, ink) on paper cut out a passe-partout: 15 x 78,5 cm signed, dated and inscribed lower right "U SLAVETINA, Emil Filla 1951"   Provenance: significant Prague collection   Confirmation of authenticity by Dr Frantisek Krejci, Emil Filla's grand nephew and Emil Filla's copyright holder attached. Consulted with Dr Jiri Machalicky, Aneta Kopecka and Vladimir Lekes.