Also as a point of order, if the Class rating was revalidated after a 10 year break it would have involved the Examiner completing an SRG1119 and that being sent to the CAA who would then issue the ratings validity page. This would have been done on the completion of a successful LST.
VOD80, did you actually do an LST or just some training with an Instructor? If you did an LST then you should have a ratings validity page from the CAA.