This glossary has been compiled from various different sources. Some of the terms have been reproduced with kind permission from the Stanley Gibbons Philatelic Terms Illustrated by James Mackay. If you think a term is missing please e-mail us.
Paper tinged with blue. (q.v. Blued Paper)
A perforation where the holes have not been punched out due to blunt or missing perforation pins.
Applied to perforation variations of the 1940 printings of New Zealand and other British Colonies. So named because they were produced by Waterlow when De La Rue's works were blitzed.
Four or more unsevered stamps in the format of 2 x 2 forming a rectangle. (q.v. Corner Block).
Plain squared printers' type without ornament or serifs.
Name given to one denomination in a set of stamps for which the sale has been restricted.
Blue Rag Paper
Paper containing a quantity of rag as well as wood pulp but which is in fact more grey than blue.
Paper with a blue discolouration caused by prussiate of potash in the printing ink reacting with the paper. (q.v. Bleuté).
Board of Education
Overprint on British stamps issued between 1902 and 1904 to school inspectors for use on official correspondence.
A wide margin.
Boîte Mobile (BM)
French words meaning Mobile Box.
Lettering thicker and darker in colour than usual, often used in overprints.
A thin crisp paper with a hard surface.
Small panes of stamps bound together in covers often interleaved with sheets of commercial advertising.
Pane of stamps from a booklet.
Stamps intended for release in booklets and differing in some aspect from normal issued stamps.
A narrow postcard measuring 2⅝ x 5⅜ inches that can also be used as a bookmark.
A stamp lithographed at Bordeaux in 1870/1 instead of being produced in Paris during the Franco Prussian War.