Hi Shakey and welcome to you
We sourced a fantastic leather case from and antique shop in portobllo road london - and it was great. It really looked the part - Mrs Gajet the relined it with red felt
Allon whites made a great cover for it and I too had an LED light so not to obstruct the brake light
THEN we changed to hills alive luggage - these are specifically designed for a morgan and enable you to go a way for a week or so without the need for a case on the back - also better if it rains -
Good luck with your solution
Gajet