1920s Clipless Flat Top - FLEX/SUPERFLEX Nib: This pen features one

Nib: This pen features one of my custom Retrofits: the installation of a 14k iridium-tipped dip pen nib that’s adjusted and tuned to ensure factory performance

But it’s equipped with a high quality

this pen is pristine

Manufacturer imprint on barrel is too weak to read aside from “National Pen Products Co

The ballpoint cartridge had run dry

1920s Clipless Flat Top - FLEX/SUPERFLEX Nib: This pen features oneVintage: 1920s Make: Unknown Model: Clipless flat top. Color: Black Materials: Black chased hard rubber, gold plated trim Filling System: Lever filler (resacced and guaranteed to fill to factory capacity). Length: This full sized model measures 4 3 4 capped and 5 13 16 posted. Nib: 14k MPCO nib (possibly made by Moore?) yields Super Flexible variation with Flexible softness, laying down a smooth and consistent XF line that widens to a 4B+ (approx 2.