
Hallmarks

Baku Jewelry and Watch Factory - "BYu5"…

Moscow Jewelry Plant - "MYu35" - 1965

Moscow Jewelry and Watch Factory - "MYu…

Kyiv Jewelry and Watch Factory - "KYu5"…

Lviv Jewelry Factory - "LV5" - 1955

Kharkiv Jewelry and Watch Factory - "KH…

Sverdlovsk Jewelry and Lapidary Factory…

Kharkiv Jewelry Factory - "KHYu5" - 1965

Bronnitsky Jewelry Factory - "B5" - 1965

Moscow Jewelry Factory - "Yu-5" - 1965