Watch List notes:

POLAND: 50 Zlotych (1.7.1948) in green on light green and olive unpt with portrait of sailor at right and eagle at center. S/N: "EL 7319509". WMK: Woman head. Printed by (PWPW). Inside holder by PMG "Choice Uncirculated 64 / Minor Foreign Substance". (Pick 138) & (Spink NBP B28c).