The Patina Collection - INDIA (EAST INDIA COMPANY), William IV, dated 1830, 'Patina' retrospective pattern crown
Information gathered from Noble Numismatics:
INDIA (EAST INDIA COMPANY), William IV, dated 1830, 'Patina' retrospective pattern crowns, obv. portrait of king, after the engraver William Wyon, rev. lion left over a palm tree;
bronzed copper 20 pieces, copper 20 pieces, golden alloy 20 pieces, nickel silver 20 pieces, aluminium 20 pieces
This is the copper variety.
This medallion has no face value.
Struck by the International Numismatic Agency.