Sweden Medal (1792) Assassination. Gustav III (1746-1771-1792) by C H Küchler; struck by Matthew Boulton. Obverse: Armoured bust right. Reverse: Figure holds wreath over a tomb bedecked with military trophies; TAM MARTE - QUAM MERCURIO. Copper. Hild 98; Pollard 3. Weight approx: 82.09g. Diameter: 56 mm.