charcoal on paper
paper size: 20 x 28 cm
cutout of passepartout: 13.5 x 21.5 cm
signed lower left: JS
lower middle and verso old stamps “From the estate of Prof. J. Schikaneder”
additionally verso old label “Obchodni domy Antikva, No. 6271”

Consulted with recognized connoisseur of the work and author of Schikaneder exhibition Professor Tomas Vlcek, further consulted with Dr Irena Zantovska Murray HonFRIBA, Professor Jaromir Zemina, Dr Jiri Machalicky and Vladimir Lekes.
Authenticity certificate enclosed.