Here is a lovely set comprising a Sterling silver pendant with matching ear studs by the prolific Danish silversmith Herman Siersbøl.  The silver frame is set with a slightly convex smooth black and white marbled stone.  It is supplied with a silver chain. The ear studs, with posts for pierced ears, feature marbled cabochons.

Condition:  Excellent, no visible damage

Marks: On pendant bale: 925 HS,:  on earrings: 925 HS on butterfly backs

Size:  pendant is 3.4 cm (1.3") long, including bale,  chain  is 45 cm ( 18"),   earstuds are 0.8 cm (0.35") across

Year: 1970s?