A nice, legible piece. A rare denomination on the Polish market.
Obverse: in the pearl rim bust of the ruler in armor and laurel wreath, to the right, under the bust date 1579, in the outer rim legend:
HENRICV-III-D-G-FRANCOR-ET-POL-REX-L-;
Reverse: in pearl rim floral cross with royal initial, in outer rim legend:
+SIT NOMEN DOMINI BENEDICTVM;