Examples of the type

Picture 1 of the example of 20 000 Drachmai (large size, no date) Picture 1 of the example of 20 000 Drachmai (large size, no date)
© NOONANS
ND (1946) – (en) Red overprint "SPECIMEN" over signatures, serial # Κ.01-000000
Banknotes (24 & 25 August 2022), lot 634. AU.
https://www.noonans.co.uk/auctions/archive/past-catalogues/621/catalogue/431115/?layout=grid&offset=600