A nice piece.
First vintage of an interesting issue having a value equal to 1-1/4 pennies per Lithuanian foot.
Obverse: royal bust in crown and plate armor prefixed by a pearl band, in the outer rim and under the bust a legend with trifoliate punctuation:
SIGIS-AVG REX/○POLO MAG/○DVX L-;
Reverse: in the pearl rim Pogo to the left, below it the date 1547 separated by a grand ducal mitre crowning the royal monogram and the Pillars of Gediminas, in the outer rim a legend with punctuation in the form of trifoli:
COIN MAGNI DVC LITVA;