PWPW 400 zloty 1996 test banknote with the image of King Sigismund III Vasa referring to the banknotes of the "Polish Rulers" series.
Rare 400 zloty 1996 variant with SPECIMEN overprint on both sides for the foreign market.
This version lacks the hologram on the rosette in front of the king's face
Piece in PMG grading with an EPQ mark denoting exceptional paper quality.
