Stylish Murano art glass bowl attributed to AVEM and made in the 1960s. Distinctive black casing on the outside with colorful spatter-glass interior in bright and contrasting colors with silver and copper aventurine inclusions. Polished base. Italy, 1960s. This piece is attributed to the mentioned designer/maker. It has no attribution mark and no official proof of authenticity, however it is well documented in design history. I take full responsibility for any authenticity issues arising from misattribution