Early Ercole Barovier "Porpora" series glass bowl.
Coloured in purple by means of colouring of glass without melting tecnique and decorated with fragments of gold leaf.
Barovier e Toso 1959, acid signed, measure about 21,5 cmw - 8.2/5" w.
In very good condition.
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Ercole Barovier early "Porpora" bowl