LS Starrett Co. Athol Mass. USA, No 132-24 Cast Iron Level with original wooden crate with Filigree Design. Original patina and original shipping wood case.
This is a precision machinist/bench top level, that is still manufactured today. List price on Starrett's web site is $515. This is considered a bench level with a main plumb and additional double plumbs. There is an involute groove running the full length of the base for use when working with round stock.
Please contact me if you have any questions or would like to see additional pictures.