Green marbled Osmia A. W. Faber-Castell 540 fountain pen

Green marbled Osmia A. W. Faber-Castell 540. Piston filler. Appears in great condition. No damage or repairs. The filling mechanism must be repaired before the fountain pen can take up ink and write again. All parts original Osmia including a beautiful 14 carat gold nib. Dimensions: 12.5 cm