Chalk-Surfaced Papers on Edwardian Period Nigerian Stamps
Today's post will deal with the topic of chalk-surfaced papers on Nigerian stamps of the colonial period. The standard postage stamp catalogues, such as Scott, make no distinction at all as to the use of chalk-surfaced papers over the normal, unsurfaced, plate-glazed wove paper. However, the Stanley Gibbons stamp catalogue does list both chalk surfaced and ordinary unsurfaced papers where both were used. What many collectors may be unaware of though is the fact that more than one type of chalk-surfaced paper was used in some cases. The stamps in question were printed by De La Rue in London, and during the King Edward VII Period, the stamps of Great Britain also show these variations. The difference though is that the specialized Stanley Gibbons catalogue does distinguish between the normal chalk surfaced paper, and a very thick, opaque paper, which it calls Dickinson Coated Paper, which was used on an experimental basis in 1913. It stand...