Mark of an Unknown Master - Initials "ZM" - Last Quarter of the 19th Century

Master's Mark of Ivanov Vasily Ivanovic…

Master's Mark of Butuzov Ivan Evg. - Mo…

Master's Mark of Sokolov M. F. - Moscow…

Master's Mark of Zakharov Ivan Vasilyev…

Master's Mark of Domnin Vasily Nikolaev…

Hallmark of an Unknown Master from Volo…

Maker's Mark of Abdulayev Yusup - Ordzh…

Mark of an Unknown Kazan Master - Initi…

Maker's Mark of Zahar Abdulayev - Ordzh…

Hallmark of an Unknown Tobolsk Master -…