A beautiful piece from the mint's vicinity.
Slight under-strike.
The mint luster is very well preserved.
Obverse: a crowned royal monogram within a pearl border; the legend in the border reads:
POTIORQ3•METALLO EST; in the outer ring, the legend:
DAT•PRETiVM•SERVATA•SALVS;
Reverse: within a pearl border, a crowned shield bearing the coats of arms of the Crown, the Grand Duchy, and the Sheaf; in the center of the shield, the denomination XXX GRO/•POL•; on either side of the shield, the initials A-T; in the outer border, the legend:
MONET•NOV•ARG•REG•POL•1666:;
