Lithuania 1/2 Ducat 1665 TLB/HKPL Vilnius. John II Casimir Vasa (1649–1668). Averse: Laureate head of Johann Casimir right; TLB below head. Legend: IOA CAS - REX PO S. Reverse: Vytis on horseback left; date in legend. Legend: MON AVR MAG DVC LIT. Gold. FR-10. Ivanauskas -9JK2-2 (RR) RARE NGC MS 61