The stigma of the master Michelsen Leopold Eduard - Tallinn - initials "Michelsen" - 1847-1888.
Similar hallmarks
П.СЕКЕРИНЪThe stigma of the master Sekerin P. - Vladimir - initials "P. Sekerin" - 1865-1866.
WERNERiSaThe stigma of the master Werner T. - Minsk - initials "Wernerisa" - 1875-1894.
ПЕТРОГРАДЪLeningrad City Clay after 1914 PETROGRADE
И.ОЗЕРИЦКIЙKlemo Master Lake I. - Moscow - initials of I. OZERICKI - end of 19 - early 20th century
АНАНЬЕВЪMr. Ananyev A. - Pskov - initials of ANAÑEWO - 2nd floor. 19 in.
А-БРАГИНЪClaymo Master Bragin Andrei Stepanović - Leningrad - initials of A-BRAGINJO