Drachm ca. 171-138 B.C. Parthian Numismatists - the scholars who study coins - refer to the front’ side of the coin, which usually features the head of a person or god, as the obverse,’ and the back’ side as the reverse.’On the obverse of this silver coin, the head of the king faces to the left. He wears a pointed hat with earflaps and a diadem (the headband worn by victorious athletes in ancient Greece) tied over it. He has a large nose, a jutting chin, thick lips, prominent cheekbones and a big eye shown in profile. Four curls of hair emerge from beneath his hat. A border of dots surrounds the king’s head, though it is incomplete at the bottom.The reverse shows a seated man facing right. He wears striped sleeves and trousers under a cloak, as well as a pointed hat with earflaps and a diadem and heeled boots with laces. In his hand he holds a bow with the bowstring upwards. He sits on a mound decorated with crosshatches. A Greek inscription, reading "of great king Arsaces" surroun