Constantine ruble
Constantine ruble is a silver coin or coin type.
Overview
Catalogue entries for coins state issue, mint, grade and any certification. VALÉORINE records this subject so that lots referring to it can be described consistently.
In detail
silver coin of the Russian Empire
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
reference work · Reputable secondary · Wikipedia
“Constantine ruble”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q1753562: Constantine ruble
Consult the source