Three hundred year commemoration of the introduction of Lutheranism in Brandenburg; in honor of Joachim II Hector; Elector of Brandenburg; Obverse: bust of man with hat; scepter and sword within a circle. Reverse: man sitting kneeling; with cup in hand and praying woman on either side of pillows; with electoral cap and sword lying at the feet of a praying priest; surrounded by praying notables and clergymen in a circle cut off: inscription; Spandau; Elector of Brandenburg Joachim II Hector; Gottfried Bernhard Loos; Berlin; 1839; metal; gilding; d 3.7 cm x w 24.52 gr