Vintage PL∇MB 1160 Double Box End Wrench
1-1/4” X 1-3/8”
18-3/4" Long

Date Code 1D indicates 1941 Manufacture--84 Years Old
Truly Outstanding Used Condition--Nearly Unused
No Rust 
No Pitting 
No Signs of Abuse
There is a discrete three letter monogram on back of the shaft but I've never seen such small stamps--5/64" high

As always, please view the photographs to verify for yourself the quality and condition of the item and ask questions before you buy.  Thanks!