Provided you have proof of the age you should be able to get an age related plate on it, it will need to be moted first though and DVLA will want too inspect it
How to apply for an `age related` registration mark.
All applications for `age related` registration marks are dealt with by your local DVLA office and the vehicle must be roadworthy and have both an M.O.T. certificate (this will show the frame number only as there is not registration number at this point) and insurance cover note showing the frame number when an application is made. You also require a `dating certificate` verifying the vehicles age and you will need some photo ID and a utility bill..
you need to fill out this form. To then proceed;
1. Obtain M.O.T, insurance cover note, & dating certificate.
2. Complete form V55/5
Order here showing the date you wish the tax disk to run from.
3. Present all of the above documents, plus a cheque for any Vehicle Excise Duty and first registration fee where applicable to your nearest DVLA office.
First registration fee is curently £55
The DVLA may wish to inspect the vehicle before issuing a registration mark,
VJMC or Suzuki gb should be able to issue a dating certificate