Jagiellonians, Sigismund II Augustus (1548-1572), half-penny 156Z(2), Vilnius mint.
Variety with a capital letter Z in the date and with the inscription endings LITV/L, variety with the horse's tail lowered and without the axe,
additional dot under the date, under the numeral 6.
Glossy patina, nice details
silver, weight 1.01 grams, diameter 19.6 mm