The stigma of the master Lundberg Johann Wilhelm - Tallinn - initials "IWL" - 1788-1806.
Similar hallmarks
МКKlemo Master Karpinsky Michael Mihail Mihailović - Moscow - initials of MK 1865-1883.
МИClaymo Master Ivanov Maxim or Ivanov Mihail - Moscow - initials of MI - 1874-1890.
АМClaymo of an unknown master Tbilisi, the initials of the AM, are four. 19th century
LMThe stigma of the master Michelsen Leopold Eduard - Tallinn - initials "LM" - 1847-1888.
АКKlemo Master Kivović Alexander Gerasimovic - Moscow - initials AK - 1899-1908
MNClaymo Master of Nevada Mihail - Vilno - initials of MN - 1886-1900.