Klemo Master Gorbunov Fedor Grigoriev - Moscow - initials of FG 1895-1908.

ВСClaymo of an unknown master of the Rjev - initials of the Air - 1885.

ФАClaymo Master Abakumov Philip Abacumovich - Moscow - initials of the FA - 1868-1908

GBClaymo of an unknown master Leningrad - initials "GB" - 1789.

ФОClaymo Master of Ovcinnikov Fedor Alexeiwich - Moscow - initials of FO - 1881 - early 20th century

ССClaymo Master Scripin Sakerdon Ivanov - Vlogda - initials of "S" - 1837-1844.

RBThe stigma of the master Blender R. (Blender R.) - Vilna - initials "RB" - 1838