Unused surplus.
Box screws are rusted, cover screws are good.
Not what you wanted? Please see my other wall plate covers I have many more.
Made in the 1940s USA.
Mid century modern.
Uniline was made by: Arrow Bryant, Hubbell & Hartman H&H, Pass & Seymour P&S.
2-3/4 X 4-9/16 inch

6250