By 1959 there was no distinction between passenger and commercial.
The MG prefix is now used for all municipal vehicles.
1959-1979MG-A100 - MG-Z999
MG-100A - MG-999Z
MG-1000 - MG-9999
100MG-A - 999MG-Z
The 1959/1977 Municipal plates have several different patterns, starting with MG-A100, then MG-100A, MG-1000, and 100MG-A.
Thanks to John Walters for the information on the proper sequence of these.
STICKERED 1973Lee Madigan
These are remakes - made in the mid 70s - of the early 60's issues.
The only known pattern on the 1977 base is MG-000A. These would be remakes (or re-plates ?) of the early 60's issue.