I can't say for sure, but it does resemble Blenko ashtray designs.
Vtg Amber Art Glass Cruet Decanter Stopper Hand Blown Empoli Style Bubble Glass
Vtg Amber Art Glass Bud Vase Glass Jack In The Pulpit Clear Base With Controlled
Vtg Murano Art Glass ~8x6.5" Ashtray Amber Clear MCM Sommerso Collectible Glass
VTG 1992 Venezia Murano Amber ART Glass Elephant Signed Devon Custom OOAK ITALY
Vtg Amber Crackle Glass Pitcher Vase MCM 4" Art handle
VTG Murano Art Glass Amber Bowl Controlled Bubble Bullicante Mid-Century Ashtray
