Vintage Finn Jensen Norway Guilloché Oyster Brooch Lustrous Genuine Pearl

Finn Jensen Norway guilloché enameled sterling vermeil scallop/clam/oyster shell brooch. White basse-taille enamel on the inside which is set with a 7mm pearl. The design in the enamel are lines and dots radiating out from the narrow part of the concave shell. Signed Norway Sterling 925S and inverted triangle, mark for Finn Jensen. Some discoloration of the silver on the back of the pin/see photos. Front and enamel are perfect (any shadows in the photos of the front are reflection/no discoloration) and the pin mechanism works great. New to Poshmark? Sign up using my code to save an automatic $10 off your first purchase. https://posh.mk/WX0MC5vRuub