He had his own workshop, performed many jewelry works for the Faberge factory. The cipher was awarded at the end of the Institute of Noble Maidens only to the best pupils. Since 1797 (after the death of Catherine the Great), the institute received a badge of distinction with the monogram "MF". This is due to the fact that in these years (until 1828, the year of Maria Feodorovna's death) The Educational Society was headed by Maria Feodorovna (wife of Paul I).