MOR 64N is already on a Morgan I believe V31 GHT - well turn the 3 around and you get a signaller's E. Common useage in passwords, use a digit where there would have been a similar shaped letter...
Cheers,
Graham (G4FUJ)
Sold L44FOR 4/4 Giallo Fly '11 MINI Countryman Cooper D All4 '90 LR 90 SW