3/8 inch THOMPSON Firmer Chisel
A good 3/8 inch firmer chisel by THOMPSON of Sheffield.
Marked 'THOMPSON SHEFFIELD' on the blade, the initial is unclear, please see close-up image.
Possibly Henry THOMPSON of Broomhall Works, Broomhall Street, Sheffield ?
Good boxwood handle with brass ferrule.No previous owner's stamps.
Some minor surface pitting and staining spots, please see images.
9 inches overall length.