Prussia, Kingdom. A 25-Year Imperial Wedding Anniversary Clasp

(Erinnerungszeichen zur Silbernen Hochzeit). Instituted 27 December 1905 by Kaiser Wilhelm II. (1906 issue). Constructed of silver, affixed to a bronze backplate with a vertical pinback and period original length of ribbon, unmarked, measuring 35.08 mm (w) x 36.94 mm (h), weighing 21.3 grams, in extremely fine condition.