A vintage CARBORUNDUM 201 Superfine hone or sharpening stone.

6 by 1¹/₂ by ¹/₂ inch (152 x 38 x 12mm) overall.

Marked ' A PRODUCT BY CARBORUNDUM TRADE MARK SUPERFINE HONE No. 201a' with the circular trade mark to one surface.

Flat and smooth surfaces all round with some grey staining from use, please see images.

Fitted in a bespoke lidded oak box marked 'SUPER FINE'.

Please see images.