Roman, Romano-British, A bronze Hippocampus plate brooch, 2nd century AD, 28mm long by 20mm wide; seahorse with horse head and long snout, curved body, and fan-shaped fish tail; the body has recesses for enamel; the hinged pin is intact. Fine with green patina £120-£150

Found in Yorkshire

The Hippocampus is a mythical sea monster with the forepart of a horse and the tail of a fish.