These Niello cufflinks are timeless. They are hallmarked Hungarian 900 silver circa 1900. The gunmetal colored Niello enamel is done in a checkered patten over the front of the shield shaped Cufflink, with a silver shield shape in the center.
They measure 23mm x 25.5mm and weigh 12.6 grams.
They are in very good antique condition.