Not marked - no label but from research I think this is by Flavio Poli. Unusually it has a tamper.
Vintage Murano Art Glass Ashtray - Red and Clear Summerso
Vintage Murano Bubble Glass Ashtray Murano Bubble Glass Small Bowl
Barovier & Toso Glass Ashtray Gold Dust Murano Italy Glass Ashtray Vintage
Murano Or Murano Style Glass Ashtray Bowl with Controlled Bubbles Vintage
Murano Style Glass Ashtray/Bowl, Clear Glass With Colored Glass Hints, Heavy
VTG Murano Art Glass Ashtray Blue Clear Sommerso collectible glass MCM
