Сега показвам: Великобритания - Служба на Официалните Работи (1900 - 1903) - 6 марки.
11. Февруари воден знак: 1 Пробиване: 14
![[Postage Stamp Overprinted "O.W. OFFICIAL", тип A3]](https://www.stampworld.com/media/catalogue/Great-Britain/Office-of-Works-Officials/A3-s.jpg)
29. Април воден знак: 1 Пробиване: 14
![[Postage Stamps Overprinted "O.W. OFFICIAL", тип A4]](https://www.stampworld.com/media/catalogue/Great-Britain/Office-of-Works-Officials/A4-s.jpg)
![[Postage Stamps Overprinted "O.W. OFFICIAL", тип A5]](https://www.stampworld.com/media/catalogue/Great-Britain/Office-of-Works-Officials/A5-s.jpg)
29. Април воден знак: 1 размер: 240 Пробиване: 14
![[Postage Stamp Overprinted "O.W. OFFICIAL", тип A6]](https://www.stampworld.com/media/catalogue/Great-Britain/Office-of-Works-Officials/A6-s.jpg)
28. Май воден знак: 1 размер: 96 Пробиване: 14
![[Postage Stamp Overprinted "O.W. OFFICIAL", тип A7]](https://www.stampworld.com/media/catalogue/Great-Britain/Office-of-Works-Officials/A7-s.jpg)
1. Август воден знак: 1 Пробиване: 14
![[Postage Stamp Overprinted "O.W. OFFICIAL", тип A8]](https://www.stampworld.com/media/catalogue/Great-Britain/Office-of-Works-Officials/A8-s.jpg)
