現在展示： 保加利亞 - 欠資郵票 (1890 - 1899) - 12 郵票.
15. April 窗口管理器: 空缺 篩孔: 11½
![[Figure of Value - Big Half-Circle above "3 A", 類型 A16]](https://www.stampworld.com/media/catalogue/Bulgaria/Postage-due-stamps/A16-s.jpg)
![[Figure of Value - Big Half-Circle above "3 A", 類型 A18]](https://www.stampworld.com/media/catalogue/Bulgaria/Postage-due-stamps/A18-s.jpg)
| 號碼 | 類型 | 面值 | 顏色 | 描述 |
|
|
|
|
|
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12 | A15 | 5St | 橙色 | (300000) | - | 41.02 | 6.15 | - | USD |
|
|
||||||
| 12A* | A16 | 5St | 橙色 | Perf: 11 | (300000) | - | 128 | 20.51 | - | USD |
|
|
|||||
| 12B* | A17 | 5St | 橙色 | Perf: 10½ | (300000) | - | 51.27 | 6.15 | - | USD |
|
|
|||||
| 13 | A18 | 25St | 紫紅色 | (300000) | - | 20.51 | 6.15 | - | USD |
|
|
||||||
| 13A* | A19 | 25St | 紫紅色 | Perf: 11 | (300000) | - | 128 | 30.76 | - | USD |
|
|
|||||
| 13B* | A20 | 25St | 紫紅色 | Perf: 10½ | (300000) | - | 61.52 | 10.25 | - | USD |
|
|
|||||
| 12‑13 | 套 (* Stamp not included in this set) | - | 61.53 | 12.30 | - | USD |
3. March 窗口管理器: 空缺 篩孔: 10½-11½
![[Figure of Value - New Design, 類型 B]](https://www.stampworld.com/media/catalogue/Bulgaria/Postage-due-stamps/B-s.jpg)
18. November 窗口管理器: 空缺 篩孔: 11½
![[Postage Due Stamps Surcharged, 類型 C]](https://www.stampworld.com/media/catalogue/Bulgaria/Postage-due-stamps/C-s.jpg)
![[Postage Due Stamps Surcharged, 類型 C1]](https://www.stampworld.com/media/catalogue/Bulgaria/Postage-due-stamps/C1-s.jpg)
13. March 窗口管理器: 空缺 篩孔: 13
![[Figure of Value, 類型 D]](https://www.stampworld.com/media/catalogue/Bulgaria/Postage-due-stamps/D-s.jpg)
![[Figure of Value, 類型 D1]](https://www.stampworld.com/media/catalogue/Bulgaria/Postage-due-stamps/D1-s.jpg)
![[Figure of Value, 類型 D2]](https://www.stampworld.com/media/catalogue/Bulgaria/Postage-due-stamps/D2-s.jpg)
