A beautiful piece. Superbly preserved mint luster.
A variety with the Ślepowron coat of arms without a shield, with an inner obturator only on the reverse. A coin of great rarity, in Ciura's catalog this variety is illustrated with a piece in heavily circulated condition.
Obverse: in the rim bust of the ruler to the right, in the outer rim legend:
IOAN CASI D G-REX POL & SVE;
Reverse: in the rim crowned shields of the Coat of Arms of the Crown of the Kingdom of Poland, the Grand Duchy of Lithuania and the Vasa dynasty, next to the Snopes initials T L-B, under the crown denomination VI, in the outer rim legend:
GROS-ARGE-SEX-REG-POL-1661;
