Pioneer Fountain Pen, ca. 1940s, USA

MI2061  Pioneer Fountain Pen, ca. 1940s, USA, pretty sort of pearlescent green marbled cap and barrel, black section. Gold plated clip is marked Pioneer. 14KT gold nib with silver frame edging nib. Nib is marked 14K Patent 1989220 USA. Gold filled ball clip is marked Pioneer. Clip ball is brassed to silver. Gold plated cap band shows some light pitting. Lever fill – fills only from a bottle. Firm fine point. Measures 5 1/8 inches long. Very good condition. (1 avail)