A coverall made by Osh Kosh, believed to be from the 1950s. Collar-less, same as the WWII era engineer jacket. It could be as well, but the pockets and hem are the same as the coveralls, so the collarless It was made as a coverall for the It is a piece of clothing that makes you feel that the specifications of workwear at that time were diverse.
The other engineer jacket was more like a vest with long sleeves, but the same collarless jacket with different pockets and hems made it look more like a coverall.
The stitching on the back is triple stitched.
tag
Traces of paper tags. No pieces remain, probably due to paper.
button
Oshkosh's familiar pivoting button.
front pocket
Like the coveralls, it has two large pockets attached to the bottom two.
cuff
It has a small pivoting button. There are two button holes and the thickness of the sleeve tip can be adjusted. The buttons are not hidden like the other engineer jacket.
fabric
A light ounce 2×1 fabric with a strong blue tint and a lot of fine vertical drop running through it. There is also quite a bit of neps.