A Russian Nicholas I silver medallion commemorating the Construction of the Blagoveshchensk Bridge over Neva, 1850, the obverse with double-headed eagle flying over the bridge, the reverse with Minerva and Hercules cross water flowing from the urn of a river goddess, the original by A. Klepikov & A. Lyalin, 75mm, weight approx. 166.3g Provenance: Works of Art from the Schroder Collection.Please refer to department for condition report