The description below is taken from the Airfix catalogue this kit was first seen in. There is also extra information underneath the main catalogues description including the changes to the name of this kit in the catalogues.
Airfix Catalogue description:There's everything in this snap-together set for the young wargamer. The pill boxes and wireless bunker are removable and may be used independently. Ammunition is supplied for the firing gun which can be rotated and elevated. Two tanks, an armoured troop carrier and the famous 155 mm self-propelled gun are also included. British and German infantry sandbagged positions and tank traps complete this big value play set. - Taken from the 7th edition catalogue (1969)
9th edition catalogue (1971), listed as Gun Emplacement Assault Set from Assault Set.
Airfix Series (first appearance): 1 Rarity of early version: Scarce First Issued: 1969
Box art ArtistsInformation taken from: Airfix Collectors Club, Artist and Kit list - 6th Ed. Compiled by Jeremy Brook.Artist on Box Type 3: Roy Cross
This kit appeared in these catalogues:
7th Edition (1969) Ref: 1721 8th Edition (1970) Ref: 1721 9th Edition (1971) Ref: 1721 10th Edition (1973) Ref: 51650-7 11th Edition (1974) Ref: 51650-7 12th Edition (1975) Ref: 51650-7 13th Edition (1976) Ref: 40601-5 14th Edition (1977) Ref: 40601-5 15th Edition (1978) Ref: 40601-5 16th Edition (1979) Ref: 40601-5 17th Edition (1980) Ref: 40601-5
Just some of the kits listed...