Claymo Master Mering Johann Friedrich - Leningrad - Initiators IFM

МНThe Klemo Master of the Novovilov Mihail Efims, with the red initials of the "M" - the end of 19 - the beginning of the 20th century.

ИКKlemo Master Kuzmin Ilya Kuzmich - Moscow - initials of IK - 1875-1895.

МТClaymo Master Matvey Fedorov - Gorny Novgorod - Initiators of the TC - 1824-1854

ПМKleimo, unknown master Kazani, initials of the PK, 1789-1797.

МПClaymo Master of Eastuchov Dmitri Aleksandrov - with Red - Initiators of IP - 1898

МГClaymo of an unknown master Yaroslav - initials of MI - 1814.