lead
19.5 x 19.5 cm
verso signed: E. KMENTOVA

Authenticity certificate by Dr Polana Bregantova, daughter of the author and head of the administrative board of the Kmentova Zoubek Foundation, enclosed.
Further consulted with Dr Irena Zantovska Murray HonFRIBA, Professor Jaromir Zemina, Dr Jiri Machalicky and Vladimir Lekes.