The stigma of the master of Duns Georg - Leningrad - initials "Dun"

M.H.TClaymo Master Tiriong Mihael Henry - Leningrad - initials M.H.T

ИСClaymo Master Sasik Ignatiy Pavlovic - Leningrad - initials of IP.

Ф.ЛОРIЕClaymo Master Lori Fedor Anatolyvic - Moscow - initials of F.LORIE

БР.ГР.Stamp of Grachev Mikhail and Simeon Gavrilovich - Leningrad - initials "B.R.G." - 1873-1917.

JSSClaymo of unknown Master Leningrad - initials of JSS - after 1908.

Т.Е.КClaymo of an unknown master of Moscow - T.E.C. initials - 1899-1908.