A little used steel hand stamp, punch or mark maker.

The side of the stamp is marked ' RWINS LT SHEFFIELD' along its length with 'COVENTRY' across, please see close-up image.

Creates a mark, 'ISS.A', approximately ³/₃₂ inch by ⁵/₁₆" (2 x 7mm).

The last image shows the mark on a piece of card.

3 inches (75mm) overall length.