National Treasury- for the purchase of gold and silver, undated issue (1920-24), unique set in rarity 1, 2, 3, 5, 10, 25, 50, 10,000, 25,000, 100,000 MP. Donations to funds used by the Treasury to purchase precious bullion to become the future backing for the new currency 1 MP- 10 gr, 2- 20 gr, 5- 50 gr, 10- 1 zl. Donations to funds serving the Treasury to purchase precious bullion intended to...