Stylized fish with large dorsal fin area, same details on either side. Oval head tapers to back. Dorsal fin has three points with slightly concave edge, in profile view, between points. There is an incised line in front each point with a row of dots following in from line. Straight line at mouth, large round eye and curved gill at bottom. Five horizontal lines extend back from gill. Characters, #588 and '78 with a copy right mark are inscribed on the bottom.