Claymo Master Tillander Alexander Edward - Leningrad - initials of "AT"

Tillander Alexander Edward (born in Helsingfors in 1837, died in 1918), in 1848 he arrived in St. Petersburg, where he studied, in 1855 he became an apprentice, worked with K.K. Bek andK. R. Schubert, since 1860, a master jeweler;In the company with other jewelers, he founded a company, had many students, since 1870 he was the owner of the company.The master had a stigma of a rhomboid shape, with the image of the initials with two English letters "AT".Form: rhombus