A circa 1900 silver rivière necklace set with black stones. The stones, possibly onyx, are set in an open-back setting. The necklace closes with a box clasp. Hallmarked on the clasp tongue with the swedish import marks for silver. Measurements Lenght: approximately 40 centimeters. The individual stones measure approximately 1.2 × 0.7 centimeters. Comes in its original green box, lined with vivid blue velvet and silk, including a pin topped with black glass. Trackable shipping included. Feel…