Russia - Rouble 1834, Silver, NICHOLAS I 1825–1855 Unveiling of the Alexander I monument. Bare head of Alexander I to right by H. Gube. Rev. the monument, value in exergue. Dav. 285; KM. 169; Bitkin 894.20.69 g. RRR in this grade. Nearly full cameo-effect with finely frosted portrait and highly reflective fields. NGC PF62 Proof