ink on paper cut out a passe-partout: 29 x 18 cm signed and dated lower right "136 Trnka 66"   Confirmation of authenticity by Jan Trnka, Jiri Trnka's son and Jiri Trnka's copyright holder attached. Consulted with Professor Jaromir Zemina and Dr Jiri Machalicky. Confirmation of authenticity attached.