Catherine is depicted with a ribbon and a star of the Order of St. Andrew the Apostle the First-Called. The portrait can be traced to the iconographic type of Adolsky of 1725, but it also possible that it was created a bit later.

Catherine Alexeyevna (née Marta Skowrońska (April 15, 1684 – May 6, 1727)
Second spouse of Peter the Great (became his wife on February 19, 1712). On May 7, 1724 Peter crowned her as empress-consort and made her his co-ruler. On January, 1725 she became Empress of Russia.