The Alan Boyle Mini " Violet " at Pukekohe - in the photo is another Mini Race number 4 Registration CZ9567 - which is still around under that Registration; a 1965 1275 Cooper S.
" Year: 1965
Make: MORRIS
Model: COOPERS
Colour: White
Second Colour: Black
Body Style: Saloon
Plate: CZ9567
Engine No: 36501
Chassis: F659435 "
" Plates History

Plate Effective Date
CZ9567 26-Mar-2014
PT8422 22-Mar-1991
HIFI 17-Apr-1989
NZ6728 11-Nov-1988
EC1631
Registration

Registration Status:
Plate: CZ9567
Plate Type: Special Issue
Origin: NZ New
Used as: Private Passenger vehicle
Cause of Latest Registration: New
NZ First Registration: 21-Jun-1965
NZ Last Registration:
Was Registered Overseas? No"

Would seem that the car has gone back to it's original plates

Wonder if it is the Hugh Kettelwell 1275 which was one of the first in NZ. now to find some other photos and info.

Name: Mini Race # 88 Alan Boyle in Violet 970 S Puke '68 R Dowding .jpg Views: 1395 Size: 87.3 KB

CY4440 " Violet " and BL 60 " Tomato " Registrations are no longer listed - would that that BL 60 Plate would be a Personalised plate for some BMC / BL owner.