Beautiful circular pieces.
Non-fresh background.
Obverse: head of the ruler to the right, in the rim the legend:
FRIEDRICH FRANZ V.G.GROSSH.V.MECKLENB.SCHW;
Reverse: crowned seven-pointed shield of arms on laurel wreath, surrounded by legend:
ZUR FEIER 25 JAHRIGER REGIERUNG AM 7 MARZ 1867;