Multilayer glass bag cup with metal oxide inclusions - XXth

2700 - xxth century, probably from the 1960s and murano, this heavy and exceptional empty-pocket cut on foot in multilayer glass with inclusions of metal oxides not signed in good condition. Very nice hot work with pliers by the master glassmaker forming a flower. Could be suitable ashtray or clipboard. Height 130 mm X 190 mm. Weight 2370 g. Neat and tracked shipping.