A beautiful circular piece. A very rare typological variety with stars in the obverse legend.
The present piece was used by D. Pączkowski to illustrate the variety in a catalog of these coins published in Warsaw Numismatic Diary No. 9.
Obverse: in the linear border a bust of the ruler wearing a crown, armor, with a robe studded with jewels, to the right, in the outer border a legend punctuated by the coat of arms of the Half-Kozic Podskarbiego Wielkiego Koronnego:
SIGIS*III*D G*-REX*POL*M D L*;
Reverse: crowned shields with the coats of arms of the Crown, the Grand Duchy of Lithuania and the Snopes coat of arms of the Vasa dynasty, under the crown the denomination mark VI, in the pearl border, in the outer border the legend:
GROS-ARG-SEX---REG-POL-1626-;