Mid-century Murano Sommerso purple glass bowl

Murano Sommerso purple glass bowl, from the mid-20th century, possibly the 1960s or 1970s. features include: 

• Material: Hand-blown Murano glass. 
  
• Technique: Sommerso, featuring layers of colored glass (purple and pink) encased in clear glass. 
  
• Design: diamond shape with four points and sides, when viewed from above. 
  
• Origin: Made in Italy, specifically Murano, a Venetian island known for its glassmaking. 
  
• Style: Mid-century modern design. 
  
• Size: 30cm/12” long, 19cm/7.5  “ wide, 11cm/4” tall