1851 Sweden Jons Jacob Berelius (1779-1848) Medal struck by C.G.QVARNSTRO INV. Engraved by PER HENRIK LUNDGREN FEC. Silver 56MM./86.1 gms. Obv: Bust to right. Legend JACOBUS BERELIUS NAT MDCCCLXXIX DEN MDCCCXLVIII. Rev: The Genius of Light draws Veil from the Godesses of Nature surrounded by scientific instruments. Legend APERIT AENIGMATA CONDITA LUSTRAT - C.G. QVARNSTRO INV.P.H.LUNDGREN FEC. Exergie SOCIS LONGE NOBILISSIMO PER ANNOS XXX SECRETARIO ACAD.REG.SCIENT.SVEC. Awarded to GARDNER F. WILLIAMS (name printed in original leather faced case)