POLAND: Lot of 2 banknotes of 20 Zlotych (5.1.2012) in purple and deep blue on multicolor unpt. King Boleslaw I on face. Consecutive S/Ns: "AZ 9526646" & "AZ 9526647". Printed by PWPW. WMK: King Boleslaw I & "20". Inside holders by PMG "Gem Uncirculated 66 EPQ". (Pick 184b).