Category: J.S. Staedtler MARS

J.S. Staedtler MARS no. 4290

This is a J.S. Staedtler MARS no. 4290 chased piston filler that needed a new cork gasket. I made a new one using the same procedure as I used on this pen....

By geoff April 22, 2021 Germany, J.S. Staedtler MARS, Piston Filler