It's an old Renfrewshire registration (where I was born many, many years ago!) with symmetrical even numbers..if you know what I mean? Now going on my "new" +8 Moss box.
Or even a palindromic number!
Brian
1970 Morgan Plus 8 - Moss Box (Indigo Blue) 2014 Morgan SP1 (Rocket Red) 2015 Morgan Plus 8 (Rocket Blue)