Boots Compound Glycerin of Thymol Pastilles tin, c.1920s-30s

A c.1920s-30s Boots "Compound Glycerin of Thymol Pastilles" tin (empty) with hinged lid, by Boots Pure Drug Co. Ltd, Nottingham, measuring approximately 9.5 x 6 x 1.8cm (3.75 x 2.35 x 0.7in), and printed to the whole outer surface and to inside lid.  There is considerable wear, scratching and slight marking to the outer printed surface and slight tarnishing to the inside, together with a few small dents and tiny dings, but there is no rust or corrosion to the metal.