Palle Bisgaard Abelone and Silver Ring

Vintage Palle Bisgaard, Denmark, abelone shell and sterling silver ring. The frontage measures approximately 1.4 x 1 cm. It is approximately a UK size O. Weight is 10 grams. It is signed with makers marks "P.BIS" and "STERLING DENMARK".  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
Metal: Sterling Silver
Size: UK size O approximately
Era: Estimated 1960's