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postage
1941, Apr 12 ovpted on stamp of Yugoslavia (no wmk info) (no perf info)
| - | 4d | on 4d (24) |
1941, Apr 21 ovpted on stamp of Yugoslavia
| X | 4d | ultra | on 4d-ultra (2) |
1991, Nov 21 unwmk
| - | 4d |
1991, Dec 11 Christmas 1991 issue
| X | 4d |
airmail
1992, Feb 14 Zagreb-Osijek issue
| - | 4d | multi |
semipostal
1941, May 10 1941 small shield issue
| - | 4d | ultra |
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