M37 M43 believes it's from Garwood Winch Co mfg during ww2 this is the casting MOLD to build the Winch drum. Once weather clears up and butcher block oil soaks in photos will be taken to depict it best.

  I run a local museum this came from a local foundry in Bloomfield NJ Bloomfield Foundry is the casting MOLD made from wood brass and Bronze it contains lead it's not crazy heavy but it's not light about 15 pounds boxed it will ship confirmation only to you

Additional shipping fee of 12.00 covers material to pack it signature confirmation and insurance

The mould arrived to me beyond disgusting condition some items I restore some I sell as is this is neither this is preserved there has been no alterations no cleaning other then surface dirt removal then cleaned somewhat disinfected and oiled the wood interior is no longer falling apart dried it will sit for 21 days in butcher block oil then photos once its done I am loaning to my museum until it sells