An expert description of the coin has been included in .jpg form, prepared by Brest minting expert and author of the catalog "Joint Minting of the Three Brothers 1651-1662" Marcin Grandowski. The joint coinage of Dukes George III. Brest, Ludwig IV. Legnicki and Chrystian Walowski from the Duchy of Legnicko-Brzesko-Wolowski from 1660. Mint piece, beautiful details, highest grading note for Grandowski variety - 60.D.01.01.A.H R6+, very rare coin known in this variety only in 10 pieces.