Vintage  Arne Johansen, Denmark abelone shell and sterling silver brooch. It has a sterling silver pin and C clasp closure to the rear and measures approximately 4 x 1.7 cm. Weight is 8 grams. It has makers mark "AJ 925" on the rear. It is in very good condition .

Condition: Very Good condition 
Colour/gemstone: Silver 
Metal: Sterling Silver
Size: Approximately 4 x 1.7 cm
Era: Estimated 1960's to 1970's