This is a vintage Swan 14142/1 fountain pen. It is black hard rubber and has solid 14k gold trim. The clip, cap band and lever are all hallmarked. The cap band is engraved "W.A. SHUBERT S.N.E.T. Co 1912-1924". The nib is a replacement flexible 14k gold The Moore Pen #3. There is some fading and wear, but overall it is in good condition. There are no cracks or chips. It is lever filled and has been restored to working condition.
Capped length: 5 3/8"
Thanks for looking, let me know if you have any questions. Additional pictures on request.