id small pretty letter opener

[Sajen]

Found a few! But I have more of them. There are some from the early 20th century. I've bought them when they comes cheap!

Left from up to down: 1. Rehwappen, Solingen, 2. Gussstahl, Solingen, 3. unmarked, Fittings silver (925), 4. Puma, Solingen
Right from up to down: 1. A. W. JR. for Anton Wingen Junior, Solingen, 2. unmarked, 3. Ostmark (Austria was called like this during the Nazi area)