Only a few overprint specialities exist for this issue:
- inverted overprint (Sas. 20 and Sas. 22)
- double overprint (Sas. 11 and Sas. 14)
- overprint penetrated on the back (Sas. 17)
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1943 Split local unreleased issue for Dalmatia, 3.50 kn / 50 c, Sas. 17, overprint on the back. Certificate Zrinjščak.