Claymo of unknown master Vilno - Three Arrows - 1535-1540.
Similar hallmarks
The stigma of the master sporebos Georgius - Vilna - "Three Triangles" - 1570-1590.
Klemo, unknown master Vilno - Clever 1555-1560.
The city stigma of Vladimir 1763-1788."Leo standing on the hind legs"
Leningrad City Clay 1873-1874 Two anchors and sceptres
Claymo Master Platini Petr - Vilno - Dwe Picky - 1570-1592.
The stigma of the master Platini Peter - Vilna - "Three Peaks" - 1570-1592.