Vtg Rare Walter Kayser Solingen Germany Rostfrei Pen Knife Brass Handle Bayer

Offered for sale is a vintage of the 60’s-70’s, rare and collectible rostfrei pen

 knife/file with beautiful brass handle made by Walter Kayser, Solingen, Germany.

The handle is advertising Bayer and Pflanzenschutz Pesticides-Pesticidals.

Markings on the knife: Walter Kayser Solingen, Rostfrei Made in Germany

Including the leather case, which shows some wear (please refer to The photos)

The knife is  8.0 cm when closed