Antique Marius Hammer, Norway, long brooch in 830 silver. This charming old piece, adorned with filigree, chains, and dangles, is delicate and lovely. It is missing one of its dangles and it needs a proper cleaning. The c-clasp works well. The pin is marked 830S with the Marius Hammer hallmark. Measuring 2-3/4" by 1-1/4", it weighs 5.3g.