Looks like it's from the '20s or '30s. Here you go:
Razor makers
Quote:
Carl Schaaf, Solingen, Bismarckstrasse 98 in 1920, 1922, 1925, 1932 and 1939. Brand names: 'Die Gute 5pfg.-Klinge', 'Schaaso', 'Schaaso-Populär', 'Shakespeare', 'Shakespeare Klinge', 'Veni Vidi Vici', 'Wilhelmus', 'Wilhelmus-Auslese', 'Wilhelmus-Gold'. Open-blade razor and razor-blade maker.