An antique Scottish sterling silver pebble brooch. In the form of an axe and shield set with grey-blue agates. The silver decorated with engraving. The reverse engraved with a registration mark. Safety chain attachment. Circa 1875. Measurements, north to south 3", west to east just over 1 2/8". Condition, Very Good, There is a small incipient crack to the agate at the top of the shield. The silver has been acid tested as sterling silver. The design registration mark is hard to decipher, but appears to be for the 8th of September 1875.