Vintage Viking Gods Celtic Norse Knot Pin Sterling Silver

For your consideration, a lovely Viking Gods or Celtic Norse knot pin/ brooch made out of sterling silver, the metal 8s 7nmarked but tested positively for silver with 18k acid, beautiful and intricate unisex design, easy to style, in great pre-owned vintage condition, untreated patination on silver , can be polished, from a non-smoking environment, measures 2.3 x 3.5 cm.