1970's police greatcoat size 42

On offer here we have a rare Constabulary greatcoat issued in 1970. We've not seen this pattern before. Its a great looking think and very wearable. its haevy though so not a summer jacket. 

Measurements 

sleeve - 26.5

shoulder - 20

length - 50

Armpit to armpit  - 22.5

Fit - Slim 42, slightly long

Condition - Excellent, looks unworn.