Stamps of Bosnia & Herzegovina, Republic - Bosnia & Herzegovina, Serb administration, 18 base day
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postage
1994, Jul 18 500th Anniversary of Banja Luka issue unwmk (no perf info)
| - | 1.20d | multi | — | — |
2002, Dec 18 The Art issue (6 stamps)
| - | 0,50m | — | — | |||
| - | 0,50m | — | — | |||
| - | 0.50m | multi | Man From Semberija (2005) | — | — | |
| - | 1.00 | Birds in Landscape | — | — | ||
| - | 1.00 | Zembiljeva Street | — | — | ||
| - | 1.00 | multi | Old House in Beledija (2005) | — | — |
2004, Nov 18 flora of the Republic of Srpska
| - | 0.50m | multi | Arnica montana | — | — | |
| - | 0.50m | multi | Digitalis grandiflora | — | — | |
| - | 1.00 | multi | Gentiana lutea | — | — | |
| - | 1.00 | multi | Rosa pendulina | — | — |
2005, Apr 18 Easter 2005 issue
| - | 0.50m | multi | — | — |
2008, Apr 18 Euro 2008 issue
| - | 1.40m | multi | — | — | ||
| - | 1.40m | multi | — | — |
2013, Oct 18 Old Crafts issue
| - | 0.90 | multi | — | — | ||
| - | 0.90 | multi | — | — | ||
| - | 0.90 | multi | — | — | ||
| - | 0.90 | multi | — | — |
2019, May 18 World IBD Day 2019 issue
| - | 1.80km | multi | — | — |
2019, May 18 150th Anniversary of the Birth of Risto Jeremić issue
| - | 0.90KM | multi | — | — |
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