Claymo Probe Master of the Great Ustig - Sterh Gustave - initials of the G-S - 1846-1855.

The stigma depicting the initials of the testest master Sterh Gustav, the initials “G” and “Sh” are indicated in the upper part of the stigma, there is a point between the letters, the middle passes in the middle, the year “1855” costs below.The master was transferred from Odessa to the Assay masters to the city of Veliky Ustyug in 1846, died in 1855.(1846-1855) Form: rectangle