Palle Bisgaard Abelone and Silver Brooch

Beautiful vintage rare Palle Bisgaard, Denmark, abelone shell and sterling silver brooch. The frontage measures approximately 4 x 3 cm. Weight is 21 grams. It is signed with makers marks "P.BIS" and "STERLING HANDMADE DENMARK 7".  Estimated to date from the 1960's.  It is in very good condition with small signs of wear commensurate with age.

Condition: Very good condition with small signs of wear commensurate with age.
Colour/Gemstone:  Silver and abelone shell
Metal: Sterling Silver
Size: 4 x 3 cm approximately
Era: Estimated 1960's