Johan Ferdinand Olsonius was born in 1823 in Finland. He studied in St. Petersburg, in 1842 he became an apprentice, and in 1852 a master of jewelry; worked for Grachev's firm. Died in 1888.
Grachev's firm was founded in 1866 by Gavriil Petrovich Grachev, the business was continued by his sons...
grachev firm
grachev firm mark
johan ferdinand olsonius workshop
mark j.o
mark of johan ferdinand olsonius
russianimperial hallmark
russianimperial hallmarks
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именник j.o
именник иогана фердинанда ольсониуса
клейма императорской россии
клеймо мастерской грачёва
клеймо фирмы грачева
мастерская иогана фердинанда ольсониуса
серебряные клейма императорской россии
фирма грачева