The stigma of the master Mus Klaus - Tallinn - 1451-1478.
Similar hallmarks
The stigma of the master Smalenberg Hinrich - Tallinn - 1461-1490.
Claymo of SSSR Protesting Agencies 1927-1954.
Eelgawa City Clay (Mitawa) 1855-1895 Reindeer Head
Astrahani City Clay, 1828 and 1850, Crown with Mech.
Claymo of the Palace - Moscow - The Two Eagle - 18th century
The city hallway of Vologists 1816-1832