Nib: Medium 14k Gold
Sheaffer's Lifetime, Reg.US.Pat.Off. Made in USA, No. 3146177 c 1925 Jet Black Radite Length capped 11.5 cm
The Sheaffer Pen Company produced Flat-Top fountain pens from 1912 until some time after the middle of the 1930s, possibly as late as 1940. (“Flat-Top” is not Sheaffer's name for this design.) ... Until 1922, clips were straight and were imprinted with the words SHEAFFER-CLIP.