Now showing: Portugal - Postage stamps (1970 - 1979) - 14 stamps.
15. February WM: None Design: Serviços Artísticos dos CTT Engraving: Stampatore: Imprensa Nacional Casa da Moeda Perforation: 13½ x 13¾
![[Development of Working Tools, type XL]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Portugal/Postage-stamps/XL-s.jpg)
![[Development of Working Tools, type XM]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Portugal/Postage-stamps/XM-s.jpg)
![[Development of Working Tools, type XN]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Portugal/Postage-stamps/XN-s.jpg)
![[Development of Working Tools, type XO]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Portugal/Postage-stamps/XO-s.jpg)
![[Development of Working Tools, type XP]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Portugal/Postage-stamps/XP-s.jpg)
| No. | Type | D | Color | Description |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1377 | XL | 4Esc | multicoloured | - | - | - | - | |||||||
| 1378 | XM | 5Esc | multicoloured | - | - | - | - | |||||||
| 1379 | XN | 6Esc | multicoloured | - | - | - | - | |||||||
| 1380 | XO | 7Esc | multicoloured | - | - | - | - | |||||||
| 1381 | XP | 20Esc | multicoloured | Normal Paper | - | - | - | - | ||||||
| 1381a* | XP1 | 20Esc | multicoloured | With Phosphor. | - | - | - | - | ||||||
| 1381b* | XP2 | 20Esc | multicoloured | Black missing | - | - | - | - | ||||||
| 1377‑1381 | Set (* Stamp not included in this set) | 1.00 | - | - | - | EUR |
2. May WM: None Design: Alberto Cardoso. Engraving: Imprensa Nacional Casa da Moeda. Perforation: 11¾ x 12½
![[EUROPA Stamps - Monuments, type ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Portugal/Postage-stamps/1392-b.jpg)
14. June WM: None Design: Rosário da Silva. Engraving: Imprensa Nacional Casa da Moeda. Perforation: 13½
![[The 100th Anniversary of the City of Chaves, type YC]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Portugal/Postage-stamps/YC-s.jpg)
![[The 100th Anniversary of the City of Chaves, type YD]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Portugal/Postage-stamps/YD-s.jpg)
20. December WM: None Design: Luis Chaves. Engraving: Imprensa Nacional Casa da Moeda. Perforation: 12 x 11¾
![[The 100th Anniversary of the Postal Museum - Normal Paper, type ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Portugal/Postage-stamps/1413A-b.jpg)
