GREECE: 20 Euro (2002) in blue and multicolor with gate in gothic architecture. S/N: "Y01154436724". Printing press and plate "N001A5". Printing error: Folded paper. Signature by Duisenberg. WMK: The gate. Printed by Bank of Greece. Inside holder by PMG "Choice About Unc 58 - EPQ / Fold Over Error". (Hellas 212a) & (Pick 3y).