A very nice piece.
Variant with crown with 8 jewels on bails definitely rarer in the trade.
Bust with narrow wreath binding.
Obverse: royal bust with laurel wreath, armor and cloak, to the right, under the bust initials T.L.B. Titus Livius Boratini, in the rim legend: IOAN-III D G-REX POL-M-D-L-R-P;
Reverse: crowned double-barrelled crown with five trefoil fleurs, with 8 jewels on the bows, a three-field escutcheon, with the coats of arms of the Crown of the Kingdom of Poland, the Grand Duchy of Lithuania and the Sobieski family coat of arms - Janina with bows at the bottom of the coats of arms, a dot between the coats of arms; under the crown the denomination mark VI, under the escutcheon the date 16-83; along the rim a legend punctuated by the Leliwa coat of arms in an oval escutcheon:
GROS-ARG-SEX-REG-POLONIAE;