Three inverted overprints are known for Zagreb provisional issue. Max 100 for each of them exists, but very few remains - especially for 160 kn / 0.50 kn on pelure paper that was discovered much later.
1945 Zagreb local provisional issue, 160 kn / 0.50 kn ordinary and pelure paper, 400 kn / 0.25 kn, inverted overprints. Certificate Zrinjšćak.
