0118:: 1950s MCM Brutalist Pin or Brooch iridescent cobalt blue glass, sterling silver

0118:: 1950s MCM Brutalist brooch iridescent cobalt blue glass enveloping a iridescent periwinkle shell in a silver setting clearly marked, Sterling.
Dimensions: 2⅛”W 1⅛”W
Condition: Fine.
Can be worn as a lapel brooch or a hatpin.

America 1950s c.Reference number: 2020.0118