Lithuania, Grand Duchy (Tykocin) AR ½ Groat / Półgrosz 1566 - Sigismund II Augustus (1544-1572)

Lithuania, Grand Duchy (Tykocin) AR ½ Groat / Półgrosz 1566 – Sigismund II Augustus (1544-1572)
0.73g. XF/XF. Obv.: Eagle; “SIGIS AVG D G REX POLO M D L”. Rev.: Coat of arms of Lithuania – ‘Pogonia’: knight on horseback left, brandishing sword; below, date 1566; “MONETA MAGNI (large Jastrzębiec arms) DVCAT LITV”. Ivanauskas 4SA272-49 RR; Kopicki 3274 R5. Very rare! Issue historically associated with present-day Poland and Lithuania.