Confederate or Civil War-era tooling?

[detectorFRED]

Metal piece with a rounded base and a short tapered stem; the base edge shows evenly spaced ridges resembling knurling or a grip collar. Could this be part of a hand tool, stamp handle, or coin-die-related implement? Metal piece with a rounded base and a short tapered stem; the base edge shows evenly spaced ridges resembling knurling or a grip collar. Could this be part of a hand tool, stamp handle, or coin-die-related implement? Wondering if this style aligns with ?

 

[ToddsPoint]

You need to do electrolysis on it and get it cleaned up. Then make an impression in clay or take a pic and reverse the image. If it’s a die the image is cut in reverse.