I am looking for information on an interesting tool I just found, a 2" firmer chisel marked 'BELL SYSTEM' on one side with a small Stanley cartouche on the reverse. It is a tang chisel with a strange mangled original handle, looks to be tightly wrapped strips of paper. I surmise that it was part of a lineman's toolkit, but what is the purpose of a paper handle? Doesn't seem to be a good choice for such a rough duty tool. When were these made? Worth keeping? Thanks for any info. Pete