Classical Numismatic Gallery, Auction 19, Los 2 Ancient India. A group of three Imperial Magadhan Silver Punch-marked Karshapana coins (400-350 BC), (a) GH series I, no. 183, 3.24g. Five punches: Sun, Six-armed symbol, Cockerel-like bird in a rectangle, A sacrificial post within a crescent and Elephant. (b) GH series I, no. 260, 3.32g. Five punches: Sun, Six-armed symbol, Grid-rectangle, Pot ...