Diamond Red 3 G by Farbenfabriken vorm Fr. Bayer & Co....
Diamond Red 3 G by Farbenfabriken vorm Fr. Bayer & Co. Elber
Diamond Red 3 G by Farbenfabriken vorm Fr. Bayer & Co. Elberfeld, Manufactured in Germany. One of a collection of colour dyes in bottles from the Colour Museum in Bradford, West Yorkshire, c.1900.