Very rare and unusual antique SBM-Stadtliche Bernstein Manufaktur(City Amber Factory) Konigsberg cognac Baltic amber and solid 935 silver pendant with silver Holly Mary & Son inside.Good used condition,signed,The amber has some inclusions inside.Dimesions:38,5mm(48,5mm including the part for chain)/28,5mm/8mm.The total weight is 17,8 grams.The back is made from unknown,tranparent under light,creamy white material.