Archaeologists have found a hoard of 2,600 coins in the town of Kolomna outside #Moscow, dating back to the first third of the 15th century, the reigns of Vasily I, the son of Dmitry Donskoy, and Vasily II, Donskoy's grandson . At the time, this sum would have been enough to buy two houses in a town or a whole herd of horses. The discovery is an extremely rare event for the Moscow Region, happening roughly once every 50 years, Asya Engovatova