1950's Progress dinner jacket size 40

For sale here we have a very rare 1950's taped edge shawl / notch collar dinner jacket by Progress. This can be seen as a photo shawl as it is actually a notch if you look carefully, with a low slung button, 50's style. 

Measurements 

sleeve - 24.5

shoulder - 18.5

length - 30.5

Armpit to armpit  - 21

Fit - 46 reg

Condition - Excellent,