In 2010, 65 years after their issuance, an important discovery was made: a single sheet of Zagreb 80kn / 2kn was found imperforate vertically between the second and third columns. This is one of the greatest rarities of this issue.
1945 Zagreb local provisional issue, 80 kn / 2 kn, block of four, imperforated vertically.
Max 10 pairs or 5 blocks of four exist. Certificate Vilfan.
