There are so many that it makes sense to sub-divide the different formats.
A. Post office A4 sized posters also refered to as Grille cards
(1967 to date )
These have been subdivided into time periods.
Welsh language verions 1974- 2004
Scottish crown version 1996 - 2001
B. Internal posters. For RM distribution centres ( 1998-date)
C. Dealer posters . For stamp dealers and agents. ( 1969- 1996 )
D. Greetings stamp booklets are listed under Booklets.