Inscription: (Engraved on one cover): B (script)
Marking: [1] BOIANOWSKI in rectangle (maker's large mark);
[2] CB in rectangle (maker's small mark);
[3] crossed anchor, mattock and sceptre in a circle (St. Petersburg town mark, 1826-1876);
[4] A T / 1840 in two rectangles (mark of assayer Dmitri Tverskoj, 1837-1850)
[5] 84 in rectangle (St. Petersburg standard mark);
[6] weevil in rectangle (French mark for small silver imported from countries with customs conventions, 1838 to present)
Location of marks:
[1] on base
[2] on flange at each end
[3] on base, twice; also inside one cover
[4] on base
[5] on base; also inside one cover
[6] on flange and on opposite rim of box
