Utu-Balsam Lozenge Tin DRP

Vintage probably WWI era or 1920s Utu-Balsam container. D.R.P. marked. The container was originally for medicine, a lozenge for cough, sore throat, and general health. It is in poor condition. It shows a lot of wear and has some rust. It measures 4 1/4' by 3'.