This is a rare Denga coin from the Russian Empire, specifically from the reign of Anna Ioanovna in 1735. The coin is in a circulated state and made of copper with a brown color. It has not been graded or certified, but it is a great addition to any coin collection. The denomination of the coin is Denga and it was manufactured in the Russian Federation. This historical piece is a must-have for any coin enthusiast and a unique piece of history.