Half portrait of a mustachioed Naval officer, likely a master, in uniform including shoulder straps and cap with enwreathed lateral anchor rank device and wide bullion band. (Significant wiping throughout plate, some rubbing with loss to upper portion, tarnishing along edge, spotting to mat; unsealed.) Housed in a side-by-side hand-painted book-style case with mother-of-pearl inlay (significant exterior wear, some separation to front cover, closure clasp loose).