6d stamp of 1911 surcharged in black - 2mm spacing between words
2nd series:
- wide outer frame, double inner frame beneath "LONDON"
- with veins in arabesques
- letters "无年份" of "LONDON" not joined
Block-like (Stone I) or tree-like (Stone II) shading over arabesques
The printer which produced this stamp is not known, but it is likely either Waterlow & Sons or Perkins Bacon. The overprinting was carried out by Perkins Bacon.
