Zobrazujú sa: Veľká Británia - Úrad práce (1900 - 1903) - 6 známky.
11. február WM: 1 Perforácia: 14
![[Postage Stamp Overprinted "O.W. OFFICIAL", typ A3]](https://www.stampworld.com/media/catalogue/Great-Britain/Office-of-Works-Officials/A3-s.jpg)
29. apríl WM: 1 Perforácia: 14
![[Postage Stamps Overprinted "O.W. OFFICIAL", typ A4]](https://www.stampworld.com/media/catalogue/Great-Britain/Office-of-Works-Officials/A4-s.jpg)
![[Postage Stamps Overprinted "O.W. OFFICIAL", typ A5]](https://www.stampworld.com/media/catalogue/Great-Britain/Office-of-Works-Officials/A5-s.jpg)
29. apríl WM: 1 Veľkosť hárka: 240 Perforácia: 14
![[Postage Stamp Overprinted "O.W. OFFICIAL", typ A6]](https://www.stampworld.com/media/catalogue/Great-Britain/Office-of-Works-Officials/A6-s.jpg)
28. máj WM: 1 Veľkosť hárka: 96 Perforácia: 14
![[Postage Stamp Overprinted "O.W. OFFICIAL", typ A7]](https://www.stampworld.com/media/catalogue/Great-Britain/Office-of-Works-Officials/A7-s.jpg)
1. august WM: 1 Perforácia: 14
![[Postage Stamp Overprinted "O.W. OFFICIAL", typ A8]](https://www.stampworld.com/media/catalogue/Great-Britain/Office-of-Works-Officials/A8-s.jpg)
