The stigma of the master Dehio Johann Gottfried - Tallinn - initials "IGD" - 1771-1790.

Similar hallmarks

IOMClaymo Master Erman Johann - Tallin - Initiators IOM - 1740-1754.

IHRClaymo Master Rue Johann Henrich - Tallin - Initiators IHR - 1742-1755.

ICBClaymo Master Borrowski Johan Christof-Riga - Initiators of IB

МДМФ6Claymo Moscow coiny court of the USSR - 1956.

ICClaymo Master Carlson Anders Johann - Leningrad - Initiators I.

HGKKlemo Master Kilbel Herman Gustave - Tartu - initials HGK - 1777-1797.
