Estás viendo: Gran Bretaña - Oficina de Funcionarios de Obras (1900 - 1903) - 6 sellos.
11. Febrero Marca de agua: 1 Perforación: 14
![[Postage Stamp Overprinted "O.W. OFFICIAL", tipo A3]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Great-Britain/Office-of-Works-Officials/A3-s.jpg)
29. Abril Marca de agua: 1 Perforación: 14
![[Postage Stamps Overprinted "O.W. OFFICIAL", tipo A4]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Great-Britain/Office-of-Works-Officials/A4-s.jpg)
![[Postage Stamps Overprinted "O.W. OFFICIAL", tipo A5]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Great-Britain/Office-of-Works-Officials/A5-s.jpg)
29. Abril Marca de agua: 1 Tamaño de la hoja: 240 Perforación: 14
![[Postage Stamp Overprinted "O.W. OFFICIAL", tipo A6]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Great-Britain/Office-of-Works-Officials/A6-s.jpg)
28. Mayo Marca de agua: 1 Tamaño de la hoja: 96 Perforación: 14
![[Postage Stamp Overprinted "O.W. OFFICIAL", tipo A7]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Great-Britain/Office-of-Works-Officials/A7-s.jpg)
1. Agosto Marca de agua: 1 Perforación: 14
![[Postage Stamp Overprinted "O.W. OFFICIAL", tipo A8]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Great-Britain/Office-of-Works-Officials/A8-s.jpg)
