in 1916 and 1917, a new base metal coinage was introduced consisting of bronze millieme and holed, cupro-nickel 1, 2, 5 and 10 millieme coins. silver 2, 5, 10 and 20 piastre coins continued to be issued, and a gold 1 pound coin was reintroduced. between 1922 and 1923, the gold coinage was extended to include 20 and 50 piastre and 1 and 5 pound coins. in 1924, bronze replaced cupro-nickel in the 1 millieme coin and the holes were removed from the other cupro-nickel coins. in 1938, bronze 5 and 10 millieme coins were introduced, followed in 1944 by silver, hexagonal 2 piastre coins.