These 10 silver coins are historical coins known as Russian silver "wire coins" or "hammer coins" (wire kopeks - чешуйки), traditionally cut using traditional methods. • Key Features: These coins were produced in Russia from the 16th to the early 18th century (including the reigns of Ivan I/Ivan the Terrible, Boris Godunov, Mikhail Fyodorovich, and Peter I/Peter the Great) by cutting silver wires into pieces and hammering them by hand. They are valuable pieces, 450 years old.