Ditunjukkan sekarang: Trieste Zon B - Setem-setem bayaran pos tertangguh (1949 - 1950) - 5 Setem-setem.
1950
Fish
1. November WM: Tiada Perforasi: 12½
![[Fish, jenis B]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-due-stamps/B-s.jpg)
![[Fish, jenis B1]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-due-stamps/B1-s.jpg)
![[Fish, jenis C]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-due-stamps/C-s.jpg)
![[Fish, jenis C2]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-due-stamps/C2-s.jpg)
| No. | Jenis | D | Warna | Deskripsi |
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| 6 | B | 0.50Din | coklat | Sciaena aquila | - | - | - | - | USD |
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| 7 | B1 | 1Din | hijau zaitun | Sciaena aquila | - | - | - | - | USD |
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| 8 | C | 2Din | biru gelap | Engraulis encrasicholus | - | - | - | - | USD |
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| 9 | C1 | 3Din | biru gelap | Engraulis encrasicholus | - | - | - | - | USD |
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| 10 | C2 | 5Din | ungu | Engraulis encrasicholus | - | - | - | - | USD |
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| 6‑10 | - | - | - | - | USD |
