Rare variety with the reverse legend LIGN·. On the sides of the Eagle there are the initials EW of Elias Weiss, wardejna of the Brest mint in 1657-1662.
In the specialized catalog "Common coinage of three brothers 1651-1662" , by Marcin Grandowski, a variety with a rarity level of R6+, which means 11-15 pieces known to the author.
