Posted 5 years ago
This is a "ROTBART" Extra Dunn double-edged razor blade in original packaging. - The Rotbart Company was bought out by the Gillette Company in 1927 but Gillette continues to trademark the brand name.
Circa 1930's-1940's packaging / ROTBART Extra Dunn = (Extra Thin)
Reverse - Gut Rasiert - Gut Gelaunt = (Good Shave - Good Mood)