I recently picked up this quick adjust pipe wrench, no markings anywhere. Try to find out something about it but I have come up empty so far. The ferrule at the top of the handle looks like it is copper, the end cap at the bottom of the handle is a steel cup that looks to be stamped and it is peened onto the end of the main bar. I have looked through all 3 of Shockley's books and Copes and I don't see anything close. Has anyone seen another?