Portrait probably depicting "Katarina Zakharovna" (1795-1849)
Signed C. P. Mazér and dated 1837. Oil on canvas 67 x 56 cm.
Probably executed during Mazer's journey to St. Petersburg in 1837.
Catherine Zakharovna was the daughter of Baroness Elisabeth Posse af Säby in her second marriage to the Russian statesman Zakhari Matveevich Mouriaiev (1759-1832). Catherine was married to Count Igor Franzevich Kankrin (1774-1845).