Rouble 1727.

Moscow, Red mint. Bit 47, Diakov 1, Dav 1665 – Plate Coin. Authenticated and graded by NGC AU Details, cleaned (Cert. #6271977-002). About Uncirculated. John Davenport, European Crowns 1700-1800, Galesburg, IL 1961, # 1665 Ponterio & Associates, “John S. Davenport” Collection sale # 119, Chicago, April, 2002, lot 1874