Fratelli Toso that was known for putting a cane slice center bottom in some bowls. Unable to confirm glass artist.

The thick glass bowl weighs 1 lb, 15 oz and measures 6 1/2" x 2 1/2"

Hand-blown art glass bowl/ashtray, likely mid-century (1960s–1980s), with these characteristics:

• Thick, heavy Sommerso-style casing

• Deep emerald/teal green body

• Internal gold aventurine (sparkly metallic flecks)

• Freeform/organic “biomorphic” shape with a pinched or folded rim

• Polished pontil on the base (ground circle mark)