A beautiful piece.
Variety with printed initial of Gartenberg, without dot.
Obverse: crowned, wide crown, royal monogram, on its sides the date 17-68;
Reverse: crowned five-field escutcheon with the coats of arms of the Crown, Grand Duchy of Lithuania and Ciołek of the Poniatowskis, the escutcheon set on a laurel wreath without berries, below it the initial G, in the rim the legend:
I.GROSSVS REG-POL:M:D:L:;