Obverse: profile of Jacobus Berzelius; name at top and "NAT. MDCCLXXIX DEN. MDCCCXLVIII" at bottom. Reverse: female figure and sphinx at right, winged figure holding torch at left, various symbols including scale and other instruments; "APERIT AENIGMATA CONDITA LUSTRAT" printed around top perimeter, "SOCIO LONGE NOBILISSIMO PER ANNOS XXX SECRETARIO ACAD. REG. SOIENT. SVEC" under images, and "C.G. O[Q?]VARNSTROM INV. and "P.H. LUNDGREN FEC" at rim.