A vintage tang chisel, with what looks like "Bishop" stamped on the blade. It has a very slender blade. Below, compared with a Ward chisel of the same size. The Bishop chisel is on the bottom.
There was a George H. Bishop company in the U.S., but their products seem to have been restricted to hand saws and scrapers, so I don't think my chisel came from their foundry:
|1909. Source: Hyperkitten Tool Co.|