pflanagan132 Registered User
Thanks guys, so FYI 630 probably May 1958
jca Registered User
GYI 5/58 so it's there or thereabouts. It looks to be one letter a month at that time. Shame they never added the extra number like the NI system and we'd still have it going strong. It would look much better than the mess of digits we have now.
Isambard Registered User
no.not until it went to 5 or even 6 numbers.