Thank you very much! I used two books about Russian gold and silversmiths to find out something about the bracelet, but found conflicting information on August Wendt: This is what I found in Zolotoe i serebrianoe delo XV-XX vv : territoriia SSSR / M.M. Postnikova-Loseva, N.G. Platonova, B.L. Ulianov...