Shop round for rhubarb powder

Clear glass shop round, with glass stopper and powdered contents with words 'PULV:RHEI.OPT:' in black lettering on a gold three pointed shield, for rhubarb powder

Pharmacy bottles have their contents named on the outside in abbreviated Latin.'PULV:RHEI.OPT:' translates to pulvis rhei optimi or best powdered rhubarb. Rhubarb was a popular ingredient in pharmaceutical receipes for thousands of years for digestive complaints and to purge the body.