Poirot Art Deco has dated this piece to the 1930s.
Two stylised swans sit on an attractive black marble and cream and green onyx base. Centred is a lady, with a dress of stylised folds and circular decoration.

The lady could be depicting Leda, an Aetolian princess in Greek mythology. Her myth gave rise to the popular motif in Renaissance and later art of Leda and the Swan.
Signed ‘Balleste’ on the back of the figure, in one of the folds of the dress.
He died in 1958.
Poirot Art Deco has dated this piece to the 1930s.
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