ΠΠ-1
Coins ... ΠΠ-1 1 ... May 1 1947
Coins ... ΠΠ-1 2, 3 ... Jun 12 1947
ΠΠ-1 4, 5
ΠΠ-1 6, 7 Section ΠΠ 1 Section ΠΠ 3 ... Apr 28 1947