Silver disk that is open in the center and has a little hole on the top, possibly for a chain. There is a repetitive design in four places scratched onto the disk of three decorative lines with a double arc of dots below. The surface has various other random scratches and dots throughout. The disk is not completely smooth, it undulates.
The brooch was made by Robert Cruickshank, of Montreal, Canada, who was one of the most prolific silversmiths of the fur trade era. Native Americans usually wore several of these brooches at once, fastened to their shirts for decorative purposes.
French and British fur trappers exchanged manufactured goods with Native Americans for small animal pelts. Silver trade goods such as this piece, were especially popular with Native Americans, who wore them as decorative jewelry.