Pastel on paper
Dimensions: 46,5 x 32,5 cm
Singed and dated lower left "Ferdinand Vácha.1941."
Dedication upper right "Nocturnal Butterfly" -  Marta – Madam Vitova
The original screenplay of the movie Nocturnal Butterfly by producer Šilhánek is attached.

Consulted with Professor Marie Mzykova and Professor Jaromir Zemina. Confirmation of authenticity by Professor Tomas Vlcek attached.