knob

Before I knocked the dirt off this little brass piece, I had hope that it could possibly be a finial from a union cartridge box. After cleaning and digging some of the rust out of the gap, I see no evidence of leather. Does anyone recognize this piece? Or possibly provide suggestions what...

Found this lid while I was using a metal detector in a old burned down logging camp. Can anyone identity when this style was used and what It was used for . Thank You