Selection of the stamp by the letter "Я-М"

Я-М Claymo Master Mosesev Yakov Gerasimov (or Mosesev) - Great Ustug - initials of Y-M after 1804

Я-М Claymo Master Moskov Yakov - Leningrad - initials of "I-M" - about 1,800.

Я-М Claymo Master of the Yakov Semenov Maslennikov - Moscow - initials of the Y-M - 1756-1790.

Я-М Claymo Master of the Yakov Semenov Maslennikov - Moscow - initials of the Y-M - 1756-1790.

Я-М The stigma of the master Moiseev Yakov Gerasimov (or Moseev) - the Great Ustyug - the initials "Ya -M" - at the end of the 18th century of the 19th century