Thanks Branson, the Osborne logo doesn't look like a match though. My guess for the small print in the semi circle is 'chamberlain'. I brushed it off a little and wiped it with wd40 and that's my best guess. There is an initial or letter in front of Chamberlain, but I can't quite make it out, maybe an M? There are quite a few 'cobbler's pliers' on ebay, and they seem to sell. All of the ones listed in the 'completed listings' section sold. Whoda thunk it? I'll have to keep looking for a tool maker named Chamberlain.