Hot Rods What are these off..................................

I picked up these rear lenses a few weeks ago for my little Austin, I thought it would be easy to find out what they were from....Nope, nobody has been able to identify them...

 

I"m thinking old camp trailer or big rig.

 

My first guess would be clearance markers off a big truck or trailer.

 

I have a feeling they are probably not from a Truck or Camper, I know where they came from, they came from RETROMOBILE,https://en.retromobile.com/ which is a huge French show and swap meet, so, I have a feeling they may well be off something unusual, needless to say, I never bought them there,

 

Their shape and size is very, very similar to later '30s Willys. However, the external fluting is the thing most different from the Willys lenses.

Ray

 

I was thinking Willys myself but the fluting isn't right. HRP