Keywords: Nikola I Crnogorski.JPG en Signature of montenegrin prince and later king Nikola I Petrović-Njegoš cs Podpis černohorského knížete a později krále Nikoly I Petroviće-Njegoše National Museum of Montenegro Cetinje - siganture was on letter for russian tsar Nicholas II Edit by program Photofiltre Nikola II Petrović-Njegoš / own work Originaly 11 7 1913 edit 31 7 2010 Nicholas I of Montenegro Signatures of monarchs Nicholas I Signatures of people from Montenegro Nicholas I Signatures of Nicholas I of Montenegro PD-old |