Vintage Arne Johansen, Denmark sterling silver boomerang brooch. It has a pin and C clasp closure to the rear and is signed "DENMARK AJ 925S ". The brooch measures approximately 4.5 X 3.6 cm. Weight is 13 grams. It is in very good condition. 
 

Condition: Very good 

Colour/gemstone:Silver
Metal:Sterling  Silver
Size: 4.5 x 3.6 cm approximately
Era: Estimated 1960's