Watch List notes:

GREECE: Proof of face of a 500 Drachmas (19.6.1943) banknote that was never issued, similar to 5000 Drachmas (19.7.1943) banknote which circulated. Uniface. Printed in Athens. Inside holder by PMG "Uncirculated 61 NET / Rust, Annotations". (Hellas 147p) & (Pick 122p1). Extremely rare and maybe unique!