The Russian Empire. Commemorative badge for 25 years of service at the St. Petersburg Metal Factory. The recipient's last name is I. Toivonen. The dates on the reverse are 1882-1908. A token in the form of a gear with hammers, topped with a trade symbol - mercury. On the obverse are two triangles superimposed on each other with an offset of 180 degrees, covered with hot enamel in Russian colors with the number 25 in the center. On the reverse there are the same triangles with the coat of arms in the center and stamped dates 1882-1908 and the name of the recipient.
Silver, hot enamel. Perfect patina. On the ear is the stamp of the master "DO" - the workshop of Dmitry Osipov. The size is 39*26 mm. The weight is 19.9 grams. Very rare. Excellent preservation!