Modernist abstract sterling silver brooch with three small rock crystal details. It has a pin and  C clasp closure to the rear.  It has indistinct marks on the rear but is possibly of Scandinavian origin. The brooch measures approximately 4.5 cm x 2.8 cm.  Weight is 19.4 grams. It is in very good condition.
 

Condition: Very Good
Colour:Silver
Metal: Sterling Silver
Size: 4.5 cm x 2.8 cm approximately
Era: Estimated 1970's to 80's