Moscow annual brand 1729.

МЕЖClaymo of an unknown master Leningrad is the initials of the MW, 1825.

F.S.U.Claymo Master Uvarov Fedor Stepanović - Leningrad - initials F.S.U

I.F.A.Claymo Master Akbrella Johann Friedrich - Leningrad - initials I.F.A

Я.АClaymo of an unknown master Leningrad - the initials of "I.A." - around 1825.

I.H.A.Claymo Master Akbrella Johann Henry - Leningrad - initials I.H.A

Е-БClaymo Leningrad's probe - Evgraphers - E-B initials - 1772-1783.