What is this Engine Plate on my '41 flathead?

[Dads41SuperDeluxe]

Anybody know what this plate is and what it says. I didn't know the flatheads had plates.

Thanks

 

[Walt Dupont--Me.]

It looks like a plate an engine motor rebuilding shop install on there engines. Walt

 

[Dads41SuperDeluxe]

Does anyone recognize the shop?