A nice piece. Slightly deficient, with sheet flaws typical of the issue.
A typologically rare issue with the end of the obverse legend L R P.
The second and at the same time the last vintage of John Casimir's sixpences of Poznan with the characteristic bust and initials of Nicolaus Gilles - the administrator of the Poznan mint - on the reverse. The coin was struck before May 17, 1662, when the mint was closed due to embezzlement committed by Gilli.
Obverse: royal bust in armor with 4 buttons on the chest, with a protruding lace collar, with a mantle studded with a rosette-shaped jewel, with the Order of the Golden Fleece, to the right, in the rim a legend punctuated by the Slepowron coat of arms:
IO CAS D G REX-POL & S M D L R P;
Reverse: crowned two, slightly curved coat-of-arms shields with the coats of arms of the Crown and the Grand Duchy of Lithuania, between them a rosette and -, above, under the crown, the denomination mark VI, below, the initials -N-G- divided by the Slepowron coat-of-arms of the Vasa dynasty in an ornamental coat-of-arms shield, surrounded by a legend:
GROS-ARG-SEX REG-POL 1662;