A typical patriotic brooch from the period around 1863.
As described by W. Bigoshevskaya There are known numerous varieties of this type of brooch. They differ slightly in size and material of manufacture: there were silver, steel, silver plated, alpaca and brass (these probably later).
Losses of silver plating.
Front: belt buckled with motto GOD SAVE POLAND, central crowned eagle;
Silver-plated copper, dimensions 33x40 mm.