Portrait painting by Alexey Antropov, LeadArt oil painting just do reproduction of them in museum quality on linen canvas:

Alexei Petrovich Antropov (25 March 1716 - 23 June 1795) was a Russian barocco painter active primarily in St. Petersburg, where he was born and died. He also worked in Moscow and frescoed churches in Kiev. His preferred medium was oil, but he also painted miniatures and icons.
Alexei was born to a family of government official working in Armory and in the Department of Building (kantselyatiya stroeniy). Since 1732 Alexei also working at the same department under his relative A. Matveyev, since 1739 he is a member of the painting team (zhivopisnaja komanda) of the Department under Ivan Vishnyakov. As the member of the team Alexei took part in fresoeing of Summer Palace, Winter Palace, Anichkov Palace and other buildings of Saint Petersburg. He also studied portrait art from the court painter Louis Caravaque of France. In 1749 Alexei received the rank of the Painter's apprentice (zhivopisniy podmasterye) and in the end of 1750ies the rank of the Master Painter (zhivopisniy master).