Poland 1-1/2 Groszy 1661 GBA Lviv John II Casimir Vasa (1649–1668). Obverse: Escutcheon; at the bottom the letters GBA; around the inscription IO CA DG REP EL SVE . Reverse: Royal apple; date 16/61; around the inscription MONE NO / coat of arms Śleporon / REG POLO. Gum 1659 (RR); Kop. 1570 (R8) RARE