Czech Avantgarde Origin watercolour signed stamped KUPKA

Very Fine Original Watercolor signed with artist studio’s stamp KUPKA
(Frantisek KUPKA 1871-1957)
This watercolor is very well matching with Frantisek Kupka 's Czech avant gardist 's artworks of his abstract period.
Complex use of color with superposition and typical hallmark of Kupka’s artworks are evidently ptesent
The current piece
Original Watercolor
signed Yes lower right studio stamp
Dated.no,circa 30ies/ 40ies
Framed or matted. No
Size 30 cm x 24 cm
Condition.good for its age ,no folds,no tears
Provenance. 80ies.from worldwide known French artmarket of Porte de Vanves (Paris West)