1943, Zagreb souvenir sheet, colour proof in olive green with engravers mark, unperforated in the large size with plate number V, mint never hinged, corner crease, small gum defect, in the corners traces from photo corners - of the attachment in the minister albums springing, little a lack just like an authenticity characteristics! Very rare piece! ; (7 % import duty will be charged on the hammer price, if this lots is shipped within the EC or the UK).