PolandSecond Polish Republic (1918–1939) – Ministry of the Treasury 1) 5% bond of the State Conversion Loan for 500 zlotych, September 1, 1926, Warsaw, serial number 4308915 2) 5% bond of the State Conversion Loan, face value 10 zlotych, September 1, 1924, Warsaw, serial number 2903607 Total: 2 bonds