Antique silver Jasper brooch

Large circular speckled mauve purple and caramel orange Ocean Jasper stone brooch with silver rope edging, from Scotland. Antique 1800s, T hinge and curled C clasp date this from between 1850 and 1901, no Hallmark, Excellent Antique Condition, lovely patina that polishes nicely, (similar brooch in last photo sold for $300USD).