Obverse legend: “ДЕНГА 1731” Reverse: Double-headed Russian imperial eagle Edge: Reticulated Denomination: Denga 1/2 Kopeck Country: Russia Empire Ruler: Anna Ioannovna was regent of the duchy of Courland from 1711 until 1730 and then ruled as Empress of Russia from 1730 to 1740. Year: 1731 Mint: Krasny Mint, Moscow Metal: Copper Weight ± 6.33 g Diameter ± 27.66 mm Authenticity unconditionally guaranteed!