Written by Jack Smithers
Issued 1983
The decade is the 50s. The setting is Portugal. Several members of what has been dubbed 'Clubland' have been forced by largely economics to more to a cheaper place. Though they are much older and not a spy, they all are itching for another adventure so they go in search of one. The unofficial members include Richard Hannay, the oldest of the lot, Hugh Drummond, Jonah Mansel, and Berry and Daphne (of Berry and Co. fame).
Here are the pages I have of it.