Beaudeux Industrie French chore shirt / jacket.
Size 48
With inside pocket which has 1981 stamp, could relate to age. 
Is stiff

Measurements
armpit to armpit and shoulder to bottom shown in photos.

Condition: Preowned but does not look like it was ever worn.

Each item I have for sale might have some wear or fading consistent with being previously owned. If a particular aspect or condition is important to you, please feel free to ask for more photos or info prior to purchasing.

Item is shipped from France, always packaged with care and shipped with tracking
I  ship almost worldwide.