
Undated
earthenware
The source's 1809 date is the factory establishment, not a mark-use date.
earthenware · Kalinin (Tver region), Russia
It was established in 1809.
Pottery & porcelain
Kalinin (Tver region), Russia · 1 mark.

Undated
The source's 1809 date is the factory establishment, not a mark-use date.
earthenware · Kalinin (Tver region), Russia
It was established in 1809.
The factory in Konakovo, formerly Kuznetsovo, was established in 1809.