Sounds like an auto Plus 4 is the way to go but it would tip me over the £80k mark on my spec list.
This is a nice (classic) P4 - unusual colour - not heard of it before and a snip at £55K old money mog.
https://www.pistonheads.com/classifieds/used-cars/morgan/plus-4/morgan-plus-4-2-0/10527033?utm_expid=.tpJdMtjvQA-ox8DOzal2LQ.0&utm_referrer=https%3A%2F%2Fwww.pistonheads.com%2Fclassifieds%2Fused-cars%2Fmorgan%2Fplus-4
Oops! Forgotten how to hyperlink.