Watch List notes:

GREECE. George I, 1863-1913. 50 Drachmai 1876 A, Paris. Obv. ΓΕΩΡΓΙΟΣ Α! ΒΑΣΙΛΕΥΣ ΤΩΝ ΕΛΛΑΝΩΝ. Bare head right. Rev. ΒΑΣΙΛΕΙΟΝ ΕΛΛΑΔΟΣ / 50 ΔΡΑΧΜΑΙ. Crowned coat of arms. KM 50; Fr. 14. AU. 16.13 g. 182 ex. RRR PCGS AU 50
The second key coin of the modern Greek coinage.