India, Mauryan Empire, 321-187 BC., Punchmarked Karshapana silver coinage.

India, Mauryan Empire, 321-187 BC.,
Punchmarked karshapana silver coinage (13-15 mm / 3,34 g),
Obv.: various official punches: the sun, horse to right, ... .
Rev.: 1 banker´s mark (?).
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